20568490

素因数分解:

$2^1\times 5^1\times {\mathrm{443}}^1\times {\mathrm{4643}}^1$

素因数の和:5093

約数の個数: 16

約数和(自身を含む): 37114848

約数和(自身を除く): 16546358

約数列:

[1, 2, 5, 10, 443, 886, 2215, 4430, 4643, 9286, 23215, 46430, 2056849, 4113698, 10284245, 20568490]

約数ペア:

[(1, 20568490), (2, 10284245), (5, 4113698), (10, 2056849), (443, 46430), (886, 23215), (2215, 9286), (4430, 4643)]