891130220

素因数分解:

$2^2\times 5^1\times {\mathrm{44556511}}^1$

素因数の和:44556520

約数の個数: 12

約数和(自身を含む): 1871373504

約数和(自身を除く): 980243284

約数列:

[1, 2, 4, 5, 10, 20, 44556511, 89113022, 178226044, 222782555, 445565110, 891130220]

約数ペア:

[(1, 891130220), (2, 445565110), (4, 222782555), (5, 178226044), (10, 89113022), (20, 44556511)]