20177277

素因数分解:

$3^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{2203}}^1$

素因数の和:2320

約数の個数: 16

約数和(自身を含む): 27929088

約数和(自身を除く): 7751811

約数列:

[1, 3, 43, 71, 129, 213, 2203, 3053, 6609, 9159, 94729, 156413, 284187, 469239, 6725759, 20177277]

約数ペア:

[(1, 20177277), (3, 6725759), (43, 469239), (71, 284187), (129, 156413), (213, 94729), (2203, 9159), (3053, 6609)]