20126285

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{3167}}^1$

素因数の和:3244

約数の個数: 16

約数和(自身を含む): 25546752

約数和(自身を除く): 5420467

約数列:

[1, 5, 31, 41, 155, 205, 1271, 3167, 6355, 15835, 98177, 129847, 490885, 649235, 4025257, 20126285]

約数ペア:

[(1, 20126285), (5, 4025257), (31, 649235), (41, 490885), (155, 129847), (205, 98177), (1271, 15835), (3167, 6355)]