20173968016

素因数分解:

$2^4\times {\mathrm{13171}}^1\times {\mathrm{95731}}^1$

素因数の和:108910

約数の個数: 20

約数和(自身を含む): 39090439024

約数和(自身を除く): 18916471008

約数列:

[1, 2, 4, 8, 16, 13171, 26342, 52684, 95731, 105368, 191462, 210736, 382924, 765848, 1531696, 1260873001, 2521746002, 5043492004, 10086984008, 20173968016]

約数ペア:

[(1, 20173968016), (2, 10086984008), (4, 5043492004), (8, 2521746002), (16, 1260873001), (13171, 1531696), (26342, 765848), (52684, 382924), (95731, 210736), (105368, 191462)]