20477409

素因数分解:

$3^1\times {\mathrm{41}}^1\times {\mathrm{229}}^1\times {\mathrm{727}}^1$

素因数の和:1000

約数の個数: 16

約数和(自身を含む): 28129920

約数和(自身を除く): 7652511

約数列:

[1, 3, 41, 123, 229, 687, 727, 2181, 9389, 28167, 29807, 89421, 166483, 499449, 6825803, 20477409]

約数ペア:

[(1, 20477409), (3, 6825803), (41, 499449), (123, 166483), (229, 89421), (687, 29807), (727, 28167), (2181, 9389)]