20731277

素因数分解:

$7^1\times {\mathrm{47}}^1\times {\mathrm{61}}^1\times {\mathrm{1033}}^1$

素因数の和:1148

約数の個数: 16

約数和(自身を含む): 24617472

約数和(自身を除く): 3886195

約数列:

[1, 7, 47, 61, 329, 427, 1033, 2867, 7231, 20069, 48551, 63013, 339857, 441091, 2961611, 20731277]

約数ペア:

[(1, 20731277), (7, 2961611), (47, 441091), (61, 339857), (329, 63013), (427, 48551), (1033, 20069), (2867, 7231)]