4420456420

素因数分解:

$2^2\times 5^1\times {\mathrm{221022821}}^1$

素因数の和:221022830

約数の個数: 12

約数和(自身を含む): 9282958524

約数和(自身を除く): 4862502104

約数列:

[1, 2, 4, 5, 10, 20, 221022821, 442045642, 884091284, 1105114105, 2210228210, 4420456420]

約数ペア:

[(1, 4420456420), (2, 2210228210), (4, 1105114105), (5, 884091284), (10, 442045642), (20, 221022821)]