20325910

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{2339}}^1$

素因数の和:2436

約数の個数: 32

約数和(自身を含む): 40435200

約数和(自身を除く): 20109290

約数列:

[1, 2, 5, 10, 11, 22, 55, 79, 110, 158, 395, 790, 869, 1738, 2339, 4345, 4678, 8690, 11695, 23390, 25729, 51458, 128645, 184781, 257290, 369562, 923905, 1847810, 2032591, 4065182, 10162955, 20325910]

約数ペア:

[(1, 20325910), (2, 10162955), (5, 4065182), (10, 2032591), (11, 1847810), (22, 923905), (55, 369562), (79, 257290), (110, 184781), (158, 128645), (395, 51458), (790, 25729), (869, 23390), (1738, 11695), (2339, 8690), (4345, 4678)]