20770438

素因数分解:

$2^1\times {\mathrm{13}}^3\times {\mathrm{29}}^1\times {\mathrm{163}}^1$

素因数の和:233

約数の個数: 32

約数和(自身を含む): 35128800

約数和(自身を除く): 14358362

約数列:

[1, 2, 13, 26, 29, 58, 163, 169, 326, 338, 377, 754, 2119, 2197, 4238, 4394, 4727, 4901, 9454, 9802, 27547, 55094, 61451, 63713, 122902, 127426, 358111, 716222, 798863, 1597726, 10385219, 20770438]

約数ペア:

[(1, 20770438), (2, 10385219), (13, 1597726), (26, 798863), (29, 716222), (58, 358111), (163, 127426), (169, 122902), (326, 63713), (338, 61451), (377, 55094), (754, 27547), (2119, 9802), (2197, 9454), (4238, 4901), (4394, 4727)]