20512017496

素因数分解:

$2^3\times {\mathrm{40933}}^1\times {\mathrm{62639}}^1$

素因数の和:103578

約数の個数: 16

約数和(自身を含む): 38461586400

約数和(自身を除く): 17949568904

約数列:

[1, 2, 4, 8, 40933, 62639, 81866, 125278, 163732, 250556, 327464, 501112, 2564002187, 5128004374, 10256008748, 20512017496]

約数ペア:

[(1, 20512017496), (2, 10256008748), (4, 5128004374), (8, 2564002187), (40933, 501112), (62639, 327464), (81866, 250556), (125278, 163732)]