20528025028

素因数分解:

$2^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{97}}^1\times {\mathrm{15331}}^1$

素因数の和:15485

約数の個数: 96

約数和(自身を含む): 45436688640

約数和(自身を除く): 24908663612

約数列:

[1, 2, 4, 7, 14, 17, 28, 29, 34, 58, 68, 97, 116, 119, 194, 203, 238, 388, 406, 476, 493, 679, 812, 986, 1358, 1649, 1972, 2716, 2813, 3298, 3451, 5626, 6596, 6902, 11252, 11543, 13804, 15331, 19691, 23086, 30662, 39382, 46172, 47821, 61324, 78764, 95642, 107317, 191284, 214634, 260627, 334747, 429268, 444599, 521254, 669494, 889198, 1042508, 1338988, 1487107, 1778396, 1824389, 2974214, 3112193, 3648778, 5948428, 6224386, 7297556, 7558183, 10409749, 12448772, 15116366, 20819498, 25280819, 30232732, 41638996, 43126103, 50561638, 52907281, 86252206, 101123276, 105814562, 172504412, 176965733, 211629124, 301882721, 353931466, 603765442, 707862932, 733143751, 1207530884, 1466287502, 2932575004, 5132006257, 10264012514, 20528025028]

約数ペア:

[(1, 20528025028), (2, 10264012514), (4, 5132006257), (7, 2932575004), (14, 1466287502), (17, 1207530884), (28, 733143751), (29, 707862932), (34, 603765442), (58, 353931466), (68, 301882721), (97, 211629124), (116, 176965733), (119, 172504412), (194, 105814562), (203, 101123276), (238, 86252206), (388, 52907281), (406, 50561638), (476, 43126103), (493, 41638996), (679, 30232732), (812, 25280819), (986, 20819498), (1358, 15116366), (1649, 12448772), (1972, 10409749), (2716, 7558183), (2813, 7297556), (3298, 6224386), (3451, 5948428), (5626, 3648778), (6596, 3112193), (6902, 2974214), (11252, 1824389), (11543, 1778396), (13804, 1487107), (15331, 1338988), (19691, 1042508), (23086, 889198), (30662, 669494), (39382, 521254), (46172, 444599), (47821, 429268), (61324, 334747), (78764, 260627), (95642, 214634), (107317, 191284)]