20451708560

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{41}}^1\times {\mathrm{431}}^1$

素因数の和:562

約数の個数: 320

約数和(自身を含む): 55400454144

約数和(自身を除く): 34948745584

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 23, 34, 37, 40, 41, 46, 68, 74, 80, 82, 85, 92, 115, 136, 148, 164, 170, 184, 185, 205, 230, 272, 296, 328, 340, 368, 370, 391, 410, 431, 460, 592, 629, 656, 680, 697, 740, 782, 820, 851, 862, 920, 943, 1258, 1360, 1394, 1480, 1517, 1564, 1640, 1702, 1724, 1840, 1886, 1955, 2155, 2516, 2788, 2960, 3034, 3128, 3145, 3280, 3404, 3448, 3485, 3772, 3910, 4255, 4310, 4715, 5032, 5576, 6068, 6256, 6290, 6808, 6896, 6970, 7327, 7544, 7585, 7820, 8510, 8620, 9430, 9913, 10064, 11152, 12136, 12580, 13616, 13940, 14467, 14654, 15088, 15170, 15640, 15947, 16031, 17020, 17240, 17671, 18860, 19826, 24272, 25160, 25789, 27880, 28934, 29308, 30340, 31280, 31894, 32062, 34040, 34480, 34891, 35342, 36635, 37720, 39652, 49565, 50320, 51578, 55760, 57868, 58616, 60680, 63788, 64124, 68080, 69782, 70684, 72335, 73270, 75440, 79304, 79735, 80155, 88355, 99130, 103156, 115736, 117232, 121360, 127576, 128248, 128945, 139564, 141368, 144670, 146540, 158608, 159470, 160310, 168521, 174455, 176710, 198260, 206312, 231472, 255152, 256496, 257890, 271099, 279128, 282736, 289340, 293080, 300407, 318940, 320620, 337042, 348910, 353420, 366781, 396520, 406433, 412624, 515780, 542198, 558256, 578680, 586160, 593147, 600814, 637880, 641240, 653827, 674084, 697820, 706840, 733562, 793040, 812866, 842605, 1031560, 1084396, 1157360, 1186294, 1201628, 1275760, 1282480, 1307654, 1348168, 1355495, 1395640, 1413680, 1467124, 1502035, 1625732, 1685210, 1833905, 2032165, 2063120, 2168792, 2372588, 2403256, 2615308, 2696336, 2710990, 2791280, 2934248, 2965735, 3004070, 3251464, 3269135, 3370420, 3667810, 4064330, 4337584, 4745176, 4806512, 5230616, 5421980, 5868496, 5931470, 6008140, 6235277, 6502928, 6538270, 6740840, 6909361, 7335620, 8128660, 9490352, 10461232, 10843960, 11115059, 11862940, 12016280, 12470554, 13076540, 13481680, 13818722, 14671240, 15038021, 16257320, 21687920, 22230118, 23725880, 24032560, 24941108, 26153080, 27637444, 29342480, 30076042, 31176385, 32514640, 34546805, 44460236, 47451760, 49882216, 52306160, 55274888, 55575295, 60152084, 62352770, 69093610, 75190105, 88920472, 99764432, 110549776, 111150590, 120304168, 124705540, 138187220, 150380210, 177840944, 222301180, 240608336, 249411080, 255646357, 276374440, 300760420, 444602360, 498822160, 511292714, 552748880, 601520840, 889204720, 1022585428, 1203041680, 1278231785, 2045170856, 2556463570, 4090341712, 5112927140, 10225854280, 20451708560]

約数ペア:

[(1, 20451708560), (2, 10225854280), (4, 5112927140), (5, 4090341712), (8, 2556463570), (10, 2045170856), (16, 1278231785), (17, 1203041680), (20, 1022585428), (23, 889204720), (34, 601520840), (37, 552748880), (40, 511292714), (41, 498822160), (46, 444602360), (68, 300760420), (74, 276374440), (80, 255646357), (82, 249411080), (85, 240608336), (92, 222301180), (115, 177840944), (136, 150380210), (148, 138187220), (164, 124705540), (170, 120304168), (184, 111150590), (185, 110549776), (205, 99764432), (230, 88920472), (272, 75190105), (296, 69093610), (328, 62352770), (340, 60152084), (368, 55575295), (370, 55274888), (391, 52306160), (410, 49882216), (431, 47451760), (460, 44460236), (592, 34546805), (629, 32514640), (656, 31176385), (680, 30076042), (697, 29342480), (740, 27637444), (782, 26153080), (820, 24941108), (851, 24032560), (862, 23725880), (920, 22230118), (943, 21687920), (1258, 16257320), (1360, 15038021), (1394, 14671240), (1480, 13818722), (1517, 13481680), (1564, 13076540), (1640, 12470554), (1702, 12016280), (1724, 11862940), (1840, 11115059), (1886, 10843960), (1955, 10461232), (2155, 9490352), (2516, 8128660), (2788, 7335620), (2960, 6909361), (3034, 6740840), (3128, 6538270), (3145, 6502928), (3280, 6235277), (3404, 6008140), (3448, 5931470), (3485, 5868496), (3772, 5421980), (3910, 5230616), (4255, 4806512), (4310, 4745176), (4715, 4337584), (5032, 4064330), (5576, 3667810), (6068, 3370420), (6256, 3269135), (6290, 3251464), (6808, 3004070), (6896, 2965735), (6970, 2934248), (7327, 2791280), (7544, 2710990), (7585, 2696336), (7820, 2615308), (8510, 2403256), (8620, 2372588), (9430, 2168792), (9913, 2063120), (10064, 2032165), (11152, 1833905), (12136, 1685210), (12580, 1625732), (13616, 1502035), (13940, 1467124), (14467, 1413680), (14654, 1395640), (15088, 1355495), (15170, 1348168), (15640, 1307654), (15947, 1282480), (16031, 1275760), (17020, 1201628), (17240, 1186294), (17671, 1157360), (18860, 1084396), (19826, 1031560), (24272, 842605), (25160, 812866), (25789, 793040), (27880, 733562), (28934, 706840), (29308, 697820), (30340, 674084), (31280, 653827), (31894, 641240), (32062, 637880), (34040, 600814), (34480, 593147), (34891, 586160), (35342, 578680), (36635, 558256), (37720, 542198), (39652, 515780), (49565, 412624), (50320, 406433), (51578, 396520), (55760, 366781), (57868, 353420), (58616, 348910), (60680, 337042), (63788, 320620), (64124, 318940), (68080, 300407), (69782, 293080), (70684, 289340), (72335, 282736), (73270, 279128), (75440, 271099), (79304, 257890), (79735, 256496), (80155, 255152), (88355, 231472), (99130, 206312), (103156, 198260), (115736, 176710), (117232, 174455), (121360, 168521), (127576, 160310), (128248, 159470), (128945, 158608), (139564, 146540), (141368, 144670)]