20300787

素因数分解:

$3^4\times {\mathrm{13}}^2\times {\mathrm{1483}}^1$

素因数の和:1521

約数の個数: 30

約数和(自身を含む): 32860212

約数和(自身を除く): 12559425

約数列:

[1, 3, 9, 13, 27, 39, 81, 117, 169, 351, 507, 1053, 1483, 1521, 4449, 4563, 13347, 13689, 19279, 40041, 57837, 120123, 173511, 250627, 520533, 751881, 1561599, 2255643, 6766929, 20300787]

約数ペア:

[(1, 20300787), (3, 6766929), (9, 2255643), (13, 1561599), (27, 751881), (39, 520533), (81, 250627), (117, 173511), (169, 120123), (351, 57837), (507, 40041), (1053, 19279), (1483, 13689), (1521, 13347), (4449, 4563)]