20121911864

素因数分解:

$2^3\times {\mathrm{109}}^1\times {\mathrm{419}}^1\times {\mathrm{55073}}^1$

素因数の和:55607

約数の個数: 32

約数和(自身を含む): 38166282000

約数和(自身を除く): 18044370136

約数列:

[1, 2, 4, 8, 109, 218, 419, 436, 838, 872, 1676, 3352, 45671, 55073, 91342, 110146, 182684, 220292, 365368, 440584, 6002957, 12005914, 23075587, 24011828, 46151174, 48023656, 92302348, 184604696, 2515238983, 5030477966, 10060955932, 20121911864]

約数ペア:

[(1, 20121911864), (2, 10060955932), (4, 5030477966), (8, 2515238983), (109, 184604696), (218, 92302348), (419, 48023656), (436, 46151174), (838, 24011828), (872, 23075587), (1676, 12005914), (3352, 6002957), (45671, 440584), (55073, 365368), (91342, 220292), (110146, 182684)]