20993530

素因数分解:

$2^1\times 5^1\times {\mathrm{151}}^1\times {\mathrm{13903}}^1$

素因数の和:14061

約数の個数: 16

約数和(自身を含む): 38041344

約数和(自身を除く): 17047814

約数列:

[1, 2, 5, 10, 151, 302, 755, 1510, 13903, 27806, 69515, 139030, 2099353, 4198706, 10496765, 20993530]

約数ペア:

[(1, 20993530), (2, 10496765), (5, 4198706), (10, 2099353), (151, 139030), (302, 69515), (755, 27806), (1510, 13903)]