20565874579

素因数分解:

${\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{131}}^1\times {\mathrm{117773}}^1$

素因数の和:117978

約数の個数: 16

約数和(自身を含む): 21889004544

約数和(自身を除く): 1323129965

約数列:

[1, 31, 43, 131, 1333, 4061, 5633, 117773, 174623, 3650963, 5064239, 15428263, 156991409, 478276153, 663415309, 20565874579]

約数ペア:

[(1, 20565874579), (31, 663415309), (43, 478276153), (131, 156991409), (1333, 15428263), (4061, 5064239), (5633, 3650963), (117773, 174623)]