20443953

素因数分解:

$3^1\times {\mathrm{41}}^1\times {\mathrm{71}}^1\times {\mathrm{2341}}^1$

素因数の和:2456

約数の個数: 16

約数和(自身を含む): 28328832

約数和(自身を除く): 7884879

約数列:

[1, 3, 41, 71, 123, 213, 2341, 2911, 7023, 8733, 95981, 166211, 287943, 498633, 6814651, 20443953]

約数ペア:

[(1, 20443953), (3, 6814651), (41, 498633), (71, 287943), (123, 166211), (213, 95981), (2341, 8733), (2911, 7023)]