20568240

素因数分解:

$2^4\times 3^2\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{53}}^1$

素因数の和:97

約数の個数: 360

約数和(自身を含む): 89311248

約数和(自身を除く): 68743008

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 14, 15, 16, 18, 20, 21, 22, 24, 28, 30, 33, 35, 36, 40, 42, 44, 45, 48, 49, 53, 55, 56, 60, 63, 66, 70, 72, 77, 80, 84, 88, 90, 98, 99, 105, 106, 110, 112, 120, 126, 132, 140, 144, 147, 154, 159, 165, 168, 176, 180, 196, 198, 210, 212, 220, 231, 240, 245, 252, 264, 265, 280, 294, 308, 315, 318, 330, 336, 360, 371, 385, 392, 396, 420, 424, 440, 441, 462, 477, 490, 495, 504, 528, 530, 539, 560, 583, 588, 616, 630, 636, 660, 693, 720, 735, 742, 770, 784, 792, 795, 840, 848, 880, 882, 924, 954, 980, 990, 1008, 1060, 1078, 1113, 1155, 1166, 1176, 1232, 1260, 1272, 1320, 1386, 1470, 1484, 1540, 1584, 1590, 1617, 1680, 1749, 1764, 1848, 1855, 1908, 1960, 1980, 2120, 2156, 2205, 2226, 2310, 2332, 2352, 2385, 2520, 2544, 2597, 2640, 2695, 2772, 2915, 2940, 2968, 3080, 3180, 3234, 3339, 3465, 3498, 3528, 3696, 3710, 3816, 3920, 3960, 4081, 4240, 4312, 4410, 4452, 4620, 4664, 4770, 4851, 5040, 5194, 5247, 5390, 5544, 5565, 5830, 5880, 5936, 6160, 6360, 6468, 6678, 6930, 6996, 7056, 7420, 7632, 7791, 7920, 8085, 8162, 8624, 8745, 8820, 8904, 9240, 9328, 9540, 9702, 10388, 10494, 10780, 11088, 11130, 11660, 11760, 12243, 12720, 12936, 12985, 13356, 13860, 13992, 14840, 15582, 16170, 16324, 16695, 17490, 17640, 17808, 18480, 19080, 19404, 20405, 20776, 20988, 21560, 22260, 23320, 23373, 24255, 24486, 25872, 25970, 26235, 26712, 27720, 27984, 28567, 29680, 31164, 32340, 32648, 33390, 34980, 35280, 36729, 38160, 38808, 38955, 40810, 41552, 41976, 43120, 44520, 46640, 46746, 48510, 48972, 51940, 52470, 53424, 55440, 57134, 61215, 62328, 64680, 65296, 66780, 69960, 73458, 77616, 77910, 81620, 83952, 85701, 89040, 93492, 97020, 97944, 103880, 104940, 114268, 116865, 122430, 124656, 129360, 133560, 139920, 142835, 146916, 155820, 163240, 171402, 183645, 186984, 194040, 195888, 207760, 209880, 228536, 233730, 244860, 257103, 267120, 285670, 293832, 311640, 326480, 342804, 367290, 373968, 388080, 419760, 428505, 457072, 467460, 489720, 514206, 571340, 587664, 623280, 685608, 734580, 857010, 934920, 979440, 1028412, 1142680, 1285515, 1371216, 1469160, 1714020, 1869840, 2056824, 2285360, 2571030, 2938320, 3428040, 4113648, 5142060, 6856080, 10284120, 20568240]

約数ペア:

[(1, 20568240), (2, 10284120), (3, 6856080), (4, 5142060), (5, 4113648), (6, 3428040), (7, 2938320), (8, 2571030), (9, 2285360), (10, 2056824), (11, 1869840), (12, 1714020), (14, 1469160), (15, 1371216), (16, 1285515), (18, 1142680), (20, 1028412), (21, 979440), (22, 934920), (24, 857010), (28, 734580), (30, 685608), (33, 623280), (35, 587664), (36, 571340), (40, 514206), (42, 489720), (44, 467460), (45, 457072), (48, 428505), (49, 419760), (53, 388080), (55, 373968), (56, 367290), (60, 342804), (63, 326480), (66, 311640), (70, 293832), (72, 285670), (77, 267120), (80, 257103), (84, 244860), (88, 233730), (90, 228536), (98, 209880), (99, 207760), (105, 195888), (106, 194040), (110, 186984), (112, 183645), (120, 171402), (126, 163240), (132, 155820), (140, 146916), (144, 142835), (147, 139920), (154, 133560), (159, 129360), (165, 124656), (168, 122430), (176, 116865), (180, 114268), (196, 104940), (198, 103880), (210, 97944), (212, 97020), (220, 93492), (231, 89040), (240, 85701), (245, 83952), (252, 81620), (264, 77910), (265, 77616), (280, 73458), (294, 69960), (308, 66780), (315, 65296), (318, 64680), (330, 62328), (336, 61215), (360, 57134), (371, 55440), (385, 53424), (392, 52470), (396, 51940), (420, 48972), (424, 48510), (440, 46746), (441, 46640), (462, 44520), (477, 43120), (490, 41976), (495, 41552), (504, 40810), (528, 38955), (530, 38808), (539, 38160), (560, 36729), (583, 35280), (588, 34980), (616, 33390), (630, 32648), (636, 32340), (660, 31164), (693, 29680), (720, 28567), (735, 27984), (742, 27720), (770, 26712), (784, 26235), (792, 25970), (795, 25872), (840, 24486), (848, 24255), (880, 23373), (882, 23320), (924, 22260), (954, 21560), (980, 20988), (990, 20776), (1008, 20405), (1060, 19404), (1078, 19080), (1113, 18480), (1155, 17808), (1166, 17640), (1176, 17490), (1232, 16695), (1260, 16324), (1272, 16170), (1320, 15582), (1386, 14840), (1470, 13992), (1484, 13860), (1540, 13356), (1584, 12985), (1590, 12936), (1617, 12720), (1680, 12243), (1749, 11760), (1764, 11660), (1848, 11130), (1855, 11088), (1908, 10780), (1960, 10494), (1980, 10388), (2120, 9702), (2156, 9540), (2205, 9328), (2226, 9240), (2310, 8904), (2332, 8820), (2352, 8745), (2385, 8624), (2520, 8162), (2544, 8085), (2597, 7920), (2640, 7791), (2695, 7632), (2772, 7420), (2915, 7056), (2940, 6996), (2968, 6930), (3080, 6678), (3180, 6468), (3234, 6360), (3339, 6160), (3465, 5936), (3498, 5880), (3528, 5830), (3696, 5565), (3710, 5544), (3816, 5390), (3920, 5247), (3960, 5194), (4081, 5040), (4240, 4851), (4312, 4770), (4410, 4664), (4452, 4620)]