20291242270

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{773}}^1\times {\mathrm{201923}}^1$

素因数の和:202716

約数の個数: 32

約数和(自身を含む): 39384872352

約数和(自身を除く): 19093630082

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 773, 1546, 3865, 7730, 10049, 20098, 50245, 100490, 201923, 403846, 1009615, 2019230, 2624999, 5249998, 13124995, 26249990, 156086479, 312172958, 780432395, 1560864790, 2029124227, 4058248454, 10145621135, 20291242270]

約数ペア:

[(1, 20291242270), (2, 10145621135), (5, 4058248454), (10, 2029124227), (13, 1560864790), (26, 780432395), (65, 312172958), (130, 156086479), (773, 26249990), (1546, 13124995), (3865, 5249998), (7730, 2624999), (10049, 2019230), (20098, 1009615), (50245, 403846), (100490, 201923)]