20577778

素因数分解:

$2^1\times {\mathrm{13}}^2\times {\mathrm{23}}^1\times {\mathrm{2647}}^1$

素因数の和:2698

約数の個数: 24

約数和(自身を含む): 34890048

約数和(自身を除く): 14312270

約数列:

[1, 2, 13, 23, 26, 46, 169, 299, 338, 598, 2647, 3887, 5294, 7774, 34411, 60881, 68822, 121762, 447343, 791453, 894686, 1582906, 10288889, 20577778]

約数ペア:

[(1, 20577778), (2, 10288889), (13, 1582906), (23, 894686), (26, 791453), (46, 447343), (169, 121762), (299, 68822), (338, 60881), (598, 34411), (2647, 7774), (3887, 5294)]