20128946786

素因数分解:

$2^1\times {\mathrm{13}}^2\times {\mathrm{107}}^1\times {\mathrm{673}}^1\times {\mathrm{827}}^1$

素因数の和:1635

約数の個数: 48

約数和(自身を含む): 33089205024

約数和(自身を除く): 12960258238

約数列:

[1, 2, 13, 26, 107, 169, 214, 338, 673, 827, 1346, 1391, 1654, 2782, 8749, 10751, 17498, 18083, 21502, 36166, 72011, 88489, 113737, 139763, 144022, 176978, 227474, 279526, 556571, 936143, 1113142, 1150357, 1872286, 2300714, 7235423, 12169859, 14470846, 14954641, 24339718, 29909282, 59553097, 94060499, 119106194, 188120998, 774190261, 1548380522, 10064473393, 20128946786]

約数ペア:

[(1, 20128946786), (2, 10064473393), (13, 1548380522), (26, 774190261), (107, 188120998), (169, 119106194), (214, 94060499), (338, 59553097), (673, 29909282), (827, 24339718), (1346, 14954641), (1391, 14470846), (1654, 12169859), (2782, 7235423), (8749, 2300714), (10751, 1872286), (17498, 1150357), (18083, 1113142), (21502, 936143), (36166, 556571), (72011, 279526), (88489, 227474), (113737, 176978), (139763, 144022)]