20799367030

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{181}}^1\times {\mathrm{337}}^1$

素因数の和:642

約数の個数: 128

約数和(自身を含む): 42289543296

約数和(自身を除く): 21490176266

約数列:

[1, 2, 5, 10, 13, 26, 43, 61, 65, 86, 122, 130, 181, 215, 305, 337, 362, 430, 559, 610, 674, 793, 905, 1118, 1586, 1685, 1810, 2353, 2623, 2795, 3370, 3965, 4381, 4706, 5246, 5590, 7783, 7930, 8762, 11041, 11765, 13115, 14491, 15566, 20557, 21905, 22082, 23530, 26230, 28982, 34099, 38915, 41114, 43810, 55205, 60997, 68198, 72455, 77830, 101179, 102785, 110410, 121994, 143533, 144910, 170495, 188383, 202358, 205570, 267241, 287066, 304985, 340990, 376766, 474763, 505895, 534482, 609970, 717665, 792961, 883951, 941915, 949526, 1011790, 1336205, 1435330, 1585922, 1767902, 1883830, 2373815, 2622871, 2672410, 3720817, 3964805, 4419755, 4747630, 5245742, 6171919, 7441634, 7929610, 8839510, 11491363, 12343838, 13114355, 18604085, 22982726, 26228710, 30859595, 34097323, 37208170, 48370621, 57456815, 61719190, 68194646, 96741242, 114913630, 159995131, 170486615, 241853105, 319990262, 340973230, 483706210, 799975655, 1599951310, 2079936703, 4159873406, 10399683515, 20799367030]

約数ペア:

[(1, 20799367030), (2, 10399683515), (5, 4159873406), (10, 2079936703), (13, 1599951310), (26, 799975655), (43, 483706210), (61, 340973230), (65, 319990262), (86, 241853105), (122, 170486615), (130, 159995131), (181, 114913630), (215, 96741242), (305, 68194646), (337, 61719190), (362, 57456815), (430, 48370621), (559, 37208170), (610, 34097323), (674, 30859595), (793, 26228710), (905, 22982726), (1118, 18604085), (1586, 13114355), (1685, 12343838), (1810, 11491363), (2353, 8839510), (2623, 7929610), (2795, 7441634), (3370, 6171919), (3965, 5245742), (4381, 4747630), (4706, 4419755), (5246, 3964805), (5590, 3720817), (7783, 2672410), (7930, 2622871), (8762, 2373815), (11041, 1883830), (11765, 1767902), (13115, 1585922), (14491, 1435330), (15566, 1336205), (20557, 1011790), (21905, 949526), (22082, 941915), (23530, 883951), (26230, 792961), (28982, 717665), (34099, 609970), (38915, 534482), (41114, 505895), (43810, 474763), (55205, 376766), (60997, 340990), (68198, 304985), (72455, 287066), (77830, 267241), (101179, 205570), (102785, 202358), (110410, 188383), (121994, 170495), (143533, 144910)]