20478917161

素因数分解:

${\mathrm{31}}^1\times {\mathrm{509}}^1\times {\mathrm{541}}^1\times {\mathrm{2399}}^1$

素因数の和:3480

約数の個数: 16

約数和(自身を含む): 21229056000

約数和(自身を除く): 750138839

約数列:

[1, 31, 509, 541, 2399, 15779, 16771, 74369, 275369, 1221091, 1297859, 8536439, 37853821, 40233629, 660610231, 20478917161]

約数ペア:

[(1, 20478917161), (31, 660610231), (509, 40233629), (541, 37853821), (2399, 8536439), (15779, 1297859), (16771, 1221091), (74369, 275369)]