20001326

素因数分解:

$2^1\times {\mathrm{89}}^1\times {\mathrm{313}}^1\times {\mathrm{359}}^1$

素因数の和:763

約数の個数: 16

約数和(自身を含む): 30520800

約数和(自身を除く): 10519474

約数列:

[1, 2, 89, 178, 313, 359, 626, 718, 27857, 31951, 55714, 63902, 112367, 224734, 10000663, 20001326]

約数ペア:

[(1, 20001326), (2, 10000663), (89, 224734), (178, 112367), (313, 63902), (359, 55714), (626, 31951), (718, 27857)]