20863772

素因数分解:

$2^2\times {\mathrm{43}}^1\times {\mathrm{101}}^1\times {\mathrm{1201}}^1$

素因数の和:1349

約数の個数: 24

約数和(自身を含む): 37762032

約数和(自身を除く): 16898260

約数列:

[1, 2, 4, 43, 86, 101, 172, 202, 404, 1201, 2402, 4343, 4804, 8686, 17372, 51643, 103286, 121301, 206572, 242602, 485204, 5215943, 10431886, 20863772]

約数ペア:

[(1, 20863772), (2, 10431886), (4, 5215943), (43, 485204), (86, 242602), (101, 206572), (172, 121301), (202, 103286), (404, 51643), (1201, 17372), (2402, 8686), (4343, 4804)]