20575893

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{137}}^1\times {\mathrm{3851}}^1$

素因数の和:4004

約数の個数: 16

約数和(自身を含む): 29768256

約数和(自身を除く): 9192363

約数列:

[1, 3, 13, 39, 137, 411, 1781, 3851, 5343, 11553, 50063, 150189, 527587, 1582761, 6858631, 20575893]

約数ペア:

[(1, 20575893), (3, 6858631), (13, 1582761), (39, 527587), (137, 150189), (411, 50063), (1781, 11553), (3851, 5343)]