20512897

素因数分解:

${\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{131}}^1\times {\mathrm{151}}^1$

素因数の和:360

約数の個数: 16

約数和(自身を含む): 22391424

約数和(自身を除く): 1878527

約数列:

[1, 17, 61, 131, 151, 1037, 2227, 2567, 7991, 9211, 19781, 135847, 156587, 336277, 1206641, 20512897]

約数ペア:

[(1, 20512897), (17, 1206641), (61, 336277), (131, 156587), (151, 135847), (1037, 19781), (2227, 9211), (2567, 7991)]