20875101

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{137}}^1\times {\mathrm{3907}}^1$

素因数の和:4060

約数の個数: 16

約数和(自身を含む): 30201024

約数和(自身を除く): 9325923

約数列:

[1, 3, 13, 39, 137, 411, 1781, 3907, 5343, 11721, 50791, 152373, 535259, 1605777, 6958367, 20875101]

約数ペア:

[(1, 20875101), (3, 6958367), (13, 1605777), (39, 535259), (137, 152373), (411, 50791), (1781, 11721), (3907, 5343)]