20272505

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{151}}^1\times {\mathrm{2441}}^1$

素因数の和:2608

約数の個数: 16

約数和(自身を含む): 26725248

約数和(自身を除く): 6452743

約数列:

[1, 5, 11, 55, 151, 755, 1661, 2441, 8305, 12205, 26851, 134255, 368591, 1842955, 4054501, 20272505]

約数ペア:

[(1, 20272505), (5, 4054501), (11, 1842955), (55, 368591), (151, 134255), (755, 26851), (1661, 12205), (2441, 8305)]