20803769

素因数分解:

$7^1\times {\mathrm{41}}^1\times {\mathrm{173}}^1\times {\mathrm{419}}^1$

素因数の和:640

約数の個数: 16

約数和(自身を含む): 24554880

約数和(自身を除く): 3751111

約数列:

[1, 7, 41, 173, 287, 419, 1211, 2933, 7093, 17179, 49651, 72487, 120253, 507409, 2971967, 20803769]

約数ペア:

[(1, 20803769), (7, 2971967), (41, 507409), (173, 120253), (287, 72487), (419, 49651), (1211, 17179), (2933, 7093)]