20578623

素因数分解:

$3^1\times {\mathrm{13}}^2\times {\mathrm{37}}^1\times {\mathrm{1097}}^1$

素因数の和:1163

約数の個数: 24

約数和(自身を含む): 30541968

約数和(自身を除く): 9963345

約数列:

[1, 3, 13, 37, 39, 111, 169, 481, 507, 1097, 1443, 3291, 6253, 14261, 18759, 40589, 42783, 121767, 185393, 527657, 556179, 1582971, 6859541, 20578623]

約数ペア:

[(1, 20578623), (3, 6859541), (13, 1582971), (37, 556179), (39, 527657), (111, 185393), (169, 121767), (481, 42783), (507, 40589), (1097, 18759), (1443, 14261), (3291, 6253)]