20806521456

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{1153}}^1\times {\mathrm{1249}}^1$

素因数の和:2463

約数の個数: 160

約数和(自身を含む): 62962240000

約数和(自身を除く): 42155718544

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 42, 43, 48, 56, 84, 86, 112, 129, 168, 172, 258, 301, 336, 344, 516, 602, 688, 903, 1032, 1153, 1204, 1249, 1806, 2064, 2306, 2408, 2498, 3459, 3612, 3747, 4612, 4816, 4996, 6918, 7224, 7494, 8071, 8743, 9224, 9992, 13836, 14448, 14988, 16142, 17486, 18448, 19984, 24213, 26229, 27672, 29976, 32284, 34972, 48426, 49579, 52458, 53707, 55344, 59952, 64568, 69944, 96852, 99158, 104916, 107414, 129136, 139888, 148737, 161121, 193704, 198316, 209832, 214828, 297474, 322242, 347053, 375949, 387408, 396632, 419664, 429656, 594948, 644484, 694106, 751898, 793264, 859312, 1041159, 1127847, 1189896, 1288968, 1388212, 1440097, 1503796, 2082318, 2255694, 2379792, 2577936, 2776424, 2880194, 3007592, 4164636, 4320291, 4511388, 5552848, 5760388, 6015184, 8329272, 8640582, 9022776, 10080679, 11520776, 16658544, 17281164, 18045552, 20161358, 23041552, 30242037, 34562328, 40322716, 60484074, 61924171, 69124656, 80645432, 120968148, 123848342, 161290864, 185772513, 241936296, 247696684, 371545026, 433469197, 483872592, 495393368, 743090052, 866938394, 990786736, 1300407591, 1486180104, 1733876788, 2600815182, 2972360208, 3467753576, 5201630364, 6935507152, 10403260728, 20806521456]

約数ペア:

[(1, 20806521456), (2, 10403260728), (3, 6935507152), (4, 5201630364), (6, 3467753576), (7, 2972360208), (8, 2600815182), (12, 1733876788), (14, 1486180104), (16, 1300407591), (21, 990786736), (24, 866938394), (28, 743090052), (42, 495393368), (43, 483872592), (48, 433469197), (56, 371545026), (84, 247696684), (86, 241936296), (112, 185772513), (129, 161290864), (168, 123848342), (172, 120968148), (258, 80645432), (301, 69124656), (336, 61924171), (344, 60484074), (516, 40322716), (602, 34562328), (688, 30242037), (903, 23041552), (1032, 20161358), (1153, 18045552), (1204, 17281164), (1249, 16658544), (1806, 11520776), (2064, 10080679), (2306, 9022776), (2408, 8640582), (2498, 8329272), (3459, 6015184), (3612, 5760388), (3747, 5552848), (4612, 4511388), (4816, 4320291), (4996, 4164636), (6918, 3007592), (7224, 2880194), (7494, 2776424), (8071, 2577936), (8743, 2379792), (9224, 2255694), (9992, 2082318), (13836, 1503796), (14448, 1440097), (14988, 1388212), (16142, 1288968), (17486, 1189896), (18448, 1127847), (19984, 1041159), (24213, 859312), (26229, 793264), (27672, 751898), (29976, 694106), (32284, 644484), (34972, 594948), (48426, 429656), (49579, 419664), (52458, 396632), (53707, 387408), (55344, 375949), (59952, 347053), (64568, 322242), (69944, 297474), (96852, 214828), (99158, 209832), (104916, 198316), (107414, 193704), (129136, 161121), (139888, 148737)]