20120844328

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{1423}}^1\times {\mathrm{1721}}^1$

素因数の和:3242

約数の個数: 64

約数和(自身を含む): 41195750400

約数和(自身を除く): 21074906072

約数列:

[1, 2, 4, 8, 13, 26, 52, 79, 104, 158, 316, 632, 1027, 1423, 1721, 2054, 2846, 3442, 4108, 5692, 6884, 8216, 11384, 13768, 18499, 22373, 36998, 44746, 73996, 89492, 112417, 135959, 147992, 178984, 224834, 271918, 449668, 543836, 899336, 1087672, 1461421, 1767467, 2448983, 2922842, 3534934, 4897966, 5845684, 7069868, 9795932, 11691368, 14139736, 19591864, 31836779, 63673558, 127347116, 193469657, 254694232, 386939314, 773878628, 1547757256, 2515105541, 5030211082, 10060422164, 20120844328]

約数ペア:

[(1, 20120844328), (2, 10060422164), (4, 5030211082), (8, 2515105541), (13, 1547757256), (26, 773878628), (52, 386939314), (79, 254694232), (104, 193469657), (158, 127347116), (316, 63673558), (632, 31836779), (1027, 19591864), (1423, 14139736), (1721, 11691368), (2054, 9795932), (2846, 7069868), (3442, 5845684), (4108, 4897966), (5692, 3534934), (6884, 2922842), (8216, 2448983), (11384, 1767467), (13768, 1461421), (18499, 1087672), (22373, 899336), (36998, 543836), (44746, 449668), (73996, 271918), (89492, 224834), (112417, 178984), (135959, 147992)]