20030247

素因数分解:

$3^5\times {\mathrm{31}}^1\times {\mathrm{2659}}^1$

素因数の和:2705

約数の個数: 24

約数和(自身を含む): 30983680

約数和(自身を除く): 10953433

約数列:

[1, 3, 9, 27, 31, 81, 93, 243, 279, 837, 2511, 2659, 7533, 7977, 23931, 71793, 82429, 215379, 247287, 646137, 741861, 2225583, 6676749, 20030247]

約数ペア:

[(1, 20030247), (3, 6676749), (9, 2225583), (27, 741861), (31, 646137), (81, 247287), (93, 215379), (243, 82429), (279, 71793), (837, 23931), (2511, 7977), (2659, 7533)]