20967564

素因数分解:

$2^2\times 3^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{2243}}^1$

素因数の和:2310

約数の個数: 48

約数和(自身を含む): 52778880

約数和(自身を除く): 31811316

約数列:

[1, 2, 3, 4, 6, 12, 19, 38, 41, 57, 76, 82, 114, 123, 164, 228, 246, 492, 779, 1558, 2243, 2337, 3116, 4486, 4674, 6729, 8972, 9348, 13458, 26916, 42617, 85234, 91963, 127851, 170468, 183926, 255702, 275889, 367852, 511404, 551778, 1103556, 1747297, 3494594, 5241891, 6989188, 10483782, 20967564]

約数ペア:

[(1, 20967564), (2, 10483782), (3, 6989188), (4, 5241891), (6, 3494594), (12, 1747297), (19, 1103556), (38, 551778), (41, 511404), (57, 367852), (76, 275889), (82, 255702), (114, 183926), (123, 170468), (164, 127851), (228, 91963), (246, 85234), (492, 42617), (779, 26916), (1558, 13458), (2243, 9348), (2337, 8972), (3116, 6729), (4486, 4674)]