20520676

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{331}}^1\times {\mathrm{1409}}^1$

素因数の和:1755

約数の個数: 24

約数和(自身を含む): 39322080

約数和(自身を除く): 18801404

約数列:

[1, 2, 4, 11, 22, 44, 331, 662, 1324, 1409, 2818, 3641, 5636, 7282, 14564, 15499, 30998, 61996, 466379, 932758, 1865516, 5130169, 10260338, 20520676]

約数ペア:

[(1, 20520676), (2, 10260338), (4, 5130169), (11, 1865516), (22, 932758), (44, 466379), (331, 61996), (662, 30998), (1324, 15499), (1409, 14564), (2818, 7282), (3641, 5636)]