20861169

素因数分解:

$3^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{24229}}^1$

素因数の和:24280

約数の個数: 16

約数和(自身を含む): 32565120

約数和(自身を除く): 11703951

約数列:

[1, 3, 7, 21, 41, 123, 287, 861, 24229, 72687, 169603, 508809, 993389, 2980167, 6953723, 20861169]

約数ペア:

[(1, 20861169), (3, 6953723), (7, 2980167), (21, 993389), (41, 508809), (123, 169603), (287, 72687), (861, 24229)]