20673290

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{163}}^1\times {\mathrm{1153}}^1$

素因数の和:1334

約数の個数: 32

約数和(自身を含む): 40879296

約数和(自身を除く): 20206006

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 163, 326, 815, 1153, 1630, 1793, 2306, 3586, 5765, 8965, 11530, 12683, 17930, 25366, 63415, 126830, 187939, 375878, 939695, 1879390, 2067329, 4134658, 10336645, 20673290]

約数ペア:

[(1, 20673290), (2, 10336645), (5, 4134658), (10, 2067329), (11, 1879390), (22, 939695), (55, 375878), (110, 187939), (163, 126830), (326, 63415), (815, 25366), (1153, 17930), (1630, 12683), (1793, 11530), (2306, 8965), (3586, 5765)]