20203209

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{57559}}^1$

素因数の和:57581

約数の個数: 16

約数和(自身を含む): 32233600

約数和(自身を除く): 12030391

約数列:

[1, 3, 9, 13, 27, 39, 117, 351, 57559, 172677, 518031, 748267, 1554093, 2244801, 6734403, 20203209]

約数ペア:

[(1, 20203209), (3, 6734403), (9, 2244801), (13, 1554093), (27, 748267), (39, 518031), (117, 172677), (351, 57559)]