20117739

素因数分解:

$3^1\times {\mathrm{47}}^1\times {\mathrm{61}}^1\times {\mathrm{2339}}^1$

素因数の和:2450

約数の個数: 16

約数和(自身を含む): 27855360

約数和(自身を除く): 7737621

約数列:

[1, 3, 47, 61, 141, 183, 2339, 2867, 7017, 8601, 109933, 142679, 329799, 428037, 6705913, 20117739]

約数ペア:

[(1, 20117739), (3, 6705913), (47, 428037), (61, 329799), (141, 142679), (183, 109933), (2339, 8601), (2867, 7017)]