20994502

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{307}}^1\times {\mathrm{1103}}^1$

素因数の和:1443

約数の個数: 16

約数和(自身を含む): 32643072

約数和(自身を除く): 11648570

約数列:

[1, 2, 31, 62, 307, 614, 1103, 2206, 9517, 19034, 34193, 68386, 338621, 677242, 10497251, 20994502]

約数ペア:

[(1, 20994502), (2, 10497251), (31, 677242), (62, 338621), (307, 68386), (614, 34193), (1103, 19034), (2206, 9517)]