20647440660

素因数分解:

$2^2\times 3^1\times 5^1\times 7^3\times {\mathrm{11}}^1\times {\mathrm{223}}^1\times {\mathrm{409}}^1$

素因数の和:676

約数の個数: 384

約数和(自身を含む): 74059776000

約数和(自身を除く): 53412335340

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 11, 12, 14, 15, 20, 21, 22, 28, 30, 33, 35, 42, 44, 49, 55, 60, 66, 70, 77, 84, 98, 105, 110, 132, 140, 147, 154, 165, 196, 210, 220, 223, 231, 245, 294, 308, 330, 343, 385, 409, 420, 446, 462, 490, 539, 588, 660, 669, 686, 735, 770, 818, 892, 924, 980, 1029, 1078, 1115, 1155, 1227, 1338, 1372, 1470, 1540, 1561, 1617, 1636, 1715, 2045, 2058, 2156, 2230, 2310, 2453, 2454, 2676, 2695, 2863, 2940, 3122, 3234, 3345, 3430, 3773, 4090, 4116, 4460, 4499, 4620, 4683, 4906, 4908, 5145, 5390, 5726, 6135, 6244, 6468, 6690, 6860, 7359, 7546, 7805, 8085, 8180, 8589, 8998, 9366, 9812, 10290, 10780, 10927, 11319, 11452, 12265, 12270, 13380, 13497, 14315, 14718, 15092, 15610, 16170, 17171, 17178, 17996, 18732, 18865, 20041, 20580, 21854, 22495, 22638, 23415, 24530, 24540, 26994, 28630, 29436, 31220, 31493, 32340, 32781, 34342, 34356, 36795, 37730, 40082, 42945, 43708, 44990, 45276, 46830, 49060, 51513, 53988, 54635, 56595, 57260, 60123, 62986, 65562, 67485, 68684, 73590, 75460, 76489, 80164, 85855, 85890, 89980, 91207, 93660, 94479, 100205, 103026, 109270, 113190, 120197, 120246, 125972, 131124, 134970, 140287, 147180, 152978, 157465, 163905, 171710, 171780, 182414, 188958, 200410, 206052, 218540, 220451, 226380, 229467, 240394, 240492, 257565, 269940, 273621, 280574, 300615, 305956, 314930, 327810, 343420, 360591, 364828, 377916, 382445, 400820, 420861, 440902, 456035, 458934, 472395, 480788, 515130, 547242, 561148, 600985, 601230, 629860, 638449, 655620, 661353, 701435, 721182, 764890, 841379, 841722, 881804, 912070, 917868, 944790, 1003277, 1030260, 1094484, 1102255, 1147335, 1201970, 1202460, 1276898, 1322706, 1368105, 1402870, 1442364, 1529780, 1543157, 1682758, 1683444, 1802955, 1824140, 1889580, 1915347, 2006554, 2104305, 2204510, 2294670, 2403940, 2524137, 2553796, 2645412, 2736210, 2805740, 3009831, 3086314, 3192245, 3306765, 3365516, 3605910, 3830694, 4013108, 4206895, 4208610, 4409020, 4469143, 4589340, 4629471, 5016385, 5048274, 5472420, 6019662, 6172628, 6384490, 6613530, 7022939, 7211820, 7661388, 7715785, 8413790, 8417220, 8938286, 9258942, 9576735, 10032770, 10096548, 12039324, 12620685, 12768980, 13227060, 13407429, 14045878, 15049155, 15431570, 16827580, 17876572, 18517884, 19153470, 20065540, 21068817, 22345715, 23147355, 25241370, 26814858, 28091756, 30098310, 30863140, 31284001, 35114695, 38306940, 42137634, 44691430, 46294710, 49160573, 50482740, 53629716, 60196620, 62568002, 67037145, 70229390, 84275268, 89382860, 92589420, 93852003, 98321146, 105344085, 125136004, 134074290, 140458780, 147481719, 156420005, 187704006, 196642292, 210688170, 245802865, 268148580, 294963438, 312840010, 344124011, 375408012, 421376340, 469260015, 491605730, 589926876, 625680020, 688248022, 737408595, 938520030, 983211460, 1032372033, 1376496044, 1474817190, 1720620055, 1877040060, 2064744066, 2949634380, 3441240110, 4129488132, 5161860165, 6882480220, 10323720330, 20647440660]

約数ペア:

[(1, 20647440660), (2, 10323720330), (3, 6882480220), (4, 5161860165), (5, 4129488132), (6, 3441240110), (7, 2949634380), (10, 2064744066), (11, 1877040060), (12, 1720620055), (14, 1474817190), (15, 1376496044), (20, 1032372033), (21, 983211460), (22, 938520030), (28, 737408595), (30, 688248022), (33, 625680020), (35, 589926876), (42, 491605730), (44, 469260015), (49, 421376340), (55, 375408012), (60, 344124011), (66, 312840010), (70, 294963438), (77, 268148580), (84, 245802865), (98, 210688170), (105, 196642292), (110, 187704006), (132, 156420005), (140, 147481719), (147, 140458780), (154, 134074290), (165, 125136004), (196, 105344085), (210, 98321146), (220, 93852003), (223, 92589420), (231, 89382860), (245, 84275268), (294, 70229390), (308, 67037145), (330, 62568002), (343, 60196620), (385, 53629716), (409, 50482740), (420, 49160573), (446, 46294710), (462, 44691430), (490, 42137634), (539, 38306940), (588, 35114695), (660, 31284001), (669, 30863140), (686, 30098310), (735, 28091756), (770, 26814858), (818, 25241370), (892, 23147355), (924, 22345715), (980, 21068817), (1029, 20065540), (1078, 19153470), (1115, 18517884), (1155, 17876572), (1227, 16827580), (1338, 15431570), (1372, 15049155), (1470, 14045878), (1540, 13407429), (1561, 13227060), (1617, 12768980), (1636, 12620685), (1715, 12039324), (2045, 10096548), (2058, 10032770), (2156, 9576735), (2230, 9258942), (2310, 8938286), (2453, 8417220), (2454, 8413790), (2676, 7715785), (2695, 7661388), (2863, 7211820), (2940, 7022939), (3122, 6613530), (3234, 6384490), (3345, 6172628), (3430, 6019662), (3773, 5472420), (4090, 5048274), (4116, 5016385), (4460, 4629471), (4499, 4589340), (4620, 4469143), (4683, 4409020), (4906, 4208610), (4908, 4206895), (5145, 4013108), (5390, 3830694), (5726, 3605910), (6135, 3365516), (6244, 3306765), (6468, 3192245), (6690, 3086314), (6860, 3009831), (7359, 2805740), (7546, 2736210), (7805, 2645412), (8085, 2553796), (8180, 2524137), (8589, 2403940), (8998, 2294670), (9366, 2204510), (9812, 2104305), (10290, 2006554), (10780, 1915347), (10927, 1889580), (11319, 1824140), (11452, 1802955), (12265, 1683444), (12270, 1682758), (13380, 1543157), (13497, 1529780), (14315, 1442364), (14718, 1402870), (15092, 1368105), (15610, 1322706), (16170, 1276898), (17171, 1202460), (17178, 1201970), (17996, 1147335), (18732, 1102255), (18865, 1094484), (20041, 1030260), (20580, 1003277), (21854, 944790), (22495, 917868), (22638, 912070), (23415, 881804), (24530, 841722), (24540, 841379), (26994, 764890), (28630, 721182), (29436, 701435), (31220, 661353), (31493, 655620), (32340, 638449), (32781, 629860), (34342, 601230), (34356, 600985), (36795, 561148), (37730, 547242), (40082, 515130), (42945, 480788), (43708, 472395), (44990, 458934), (45276, 456035), (46830, 440902), (49060, 420861), (51513, 400820), (53988, 382445), (54635, 377916), (56595, 364828), (57260, 360591), (60123, 343420), (62986, 327810), (65562, 314930), (67485, 305956), (68684, 300615), (73590, 280574), (75460, 273621), (76489, 269940), (80164, 257565), (85855, 240492), (85890, 240394), (89980, 229467), (91207, 226380), (93660, 220451), (94479, 218540), (100205, 206052), (103026, 200410), (109270, 188958), (113190, 182414), (120197, 171780), (120246, 171710), (125972, 163905), (131124, 157465), (134970, 152978), (140287, 147180)]