20197658

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{389}}^1\times {\mathrm{1997}}^1$

素因数の和:2401

約数の個数: 16

約数和(自身を含む): 32727240

約数和(自身を除く): 12529582

約数列:

[1, 2, 13, 26, 389, 778, 1997, 3994, 5057, 10114, 25961, 51922, 776833, 1553666, 10098829, 20197658]

約数ペア:

[(1, 20197658), (2, 10098829), (13, 1553666), (26, 776833), (389, 51922), (778, 25961), (1997, 10114), (3994, 5057)]