20189366528

素因数分解:

$2^8\times {\mathrm{31}}^1\times {\mathrm{761}}^1\times {\mathrm{3343}}^1$

素因数の和:4151

約数の個数: 72

約数和(自身を含む): 41666989056

約数和(自身を除く): 21477622528

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 64, 124, 128, 248, 256, 496, 761, 992, 1522, 1984, 3044, 3343, 3968, 6088, 6686, 7936, 12176, 13372, 23591, 24352, 26744, 47182, 48704, 53488, 94364, 97408, 103633, 106976, 188728, 194816, 207266, 213952, 377456, 414532, 427904, 754912, 829064, 855808, 1509824, 1658128, 2544023, 3019648, 3316256, 5088046, 6039296, 6632512, 10176092, 13265024, 20352184, 26530048, 40704368, 78864713, 81408736, 157729426, 162817472, 315458852, 325634944, 630917704, 651269888, 1261835408, 2523670816, 5047341632, 10094683264, 20189366528]

約数ペア:

[(1, 20189366528), (2, 10094683264), (4, 5047341632), (8, 2523670816), (16, 1261835408), (31, 651269888), (32, 630917704), (62, 325634944), (64, 315458852), (124, 162817472), (128, 157729426), (248, 81408736), (256, 78864713), (496, 40704368), (761, 26530048), (992, 20352184), (1522, 13265024), (1984, 10176092), (3044, 6632512), (3343, 6039296), (3968, 5088046), (6088, 3316256), (6686, 3019648), (7936, 2544023), (12176, 1658128), (13372, 1509824), (23591, 855808), (24352, 829064), (26744, 754912), (47182, 427904), (48704, 414532), (53488, 377456), (94364, 213952), (97408, 207266), (103633, 194816), (106976, 188728)]