20508738627

素因数分解:

$3^1\times {\mathrm{13}}^2\times {\mathrm{47}}^1\times {\mathrm{860663}}^1$

素因数の和:860739

約数の個数: 24

約数和(自身を含む): 30240290304

約数和(自身を除く): 9731551677

約数列:

[1, 3, 13, 39, 47, 141, 169, 507, 611, 1833, 7943, 23829, 860663, 2581989, 11188619, 33565857, 40451161, 121353483, 145452047, 436356141, 525865093, 1577595279, 6836246209, 20508738627]

約数ペア:

[(1, 20508738627), (3, 6836246209), (13, 1577595279), (39, 525865093), (47, 436356141), (141, 145452047), (169, 121353483), (507, 40451161), (611, 33565857), (1833, 11188619), (7943, 2581989), (23829, 860663)]