20081985218

素因数分解:

$2^1\times {\mathrm{509}}^1\times {\mathrm{19726901}}^1$

素因数の和:19727412

約数の個数: 8

約数和(自身を含む): 30182160060

約数和(自身を除く): 10100174842

約数列:

[1, 2, 509, 1018, 19726901, 39453802, 10040992609, 20081985218]

約数ペア:

[(1, 20081985218), (2, 10040992609), (509, 39453802), (1018, 19726901)]