20581598

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{109}}^1\times {\mathrm{4969}}^1$

素因数の和:5099

約数の個数: 16

約数和(自身を含む): 32802000

約数和(自身を除く): 12220402

約数列:

[1, 2, 19, 38, 109, 218, 2071, 4142, 4969, 9938, 94411, 188822, 541621, 1083242, 10290799, 20581598]

約数ペア:

[(1, 20581598), (2, 10290799), (19, 1083242), (38, 541621), (109, 188822), (218, 94411), (2071, 9938), (4142, 4969)]