20567556

素因数分解:

$2^2\times 3^2\times {\mathrm{571321}}^1$

素因数の和:571331

約数の個数: 18

約数和(自身を含む): 51990302

約数和(自身を除く): 31422746

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 571321, 1142642, 1713963, 2285284, 3427926, 5141889, 6855852, 10283778, 20567556]

約数ペア:

[(1, 20567556), (2, 10283778), (3, 6855852), (4, 5141889), (6, 3427926), (9, 2285284), (12, 1713963), (18, 1142642), (36, 571321)]