20224840

素因数分解:

$2^3\times 5^1\times {\mathrm{421}}^1\times {\mathrm{1201}}^1$

素因数の和:1633

約数の個数: 32

約数和(自身を含む): 45651960

約数和(自身を除く): 25427120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 421, 842, 1201, 1684, 2105, 2402, 3368, 4210, 4804, 6005, 8420, 9608, 12010, 16840, 24020, 48040, 505621, 1011242, 2022484, 2528105, 4044968, 5056210, 10112420, 20224840]

約数ペア:

[(1, 20224840), (2, 10112420), (4, 5056210), (5, 4044968), (8, 2528105), (10, 2022484), (20, 1011242), (40, 505621), (421, 48040), (842, 24020), (1201, 16840), (1684, 12010), (2105, 9608), (2402, 8420), (3368, 6005), (4210, 4804)]