20257573

素因数分解:

$7^1\times {\mathrm{29}}^1\times {\mathrm{73}}^1\times {\mathrm{1367}}^1$

素因数の和:1476

約数の個数: 16

約数和(自身を含む): 24295680

約数和(自身を除く): 4038107

約数列:

[1, 7, 29, 73, 203, 511, 1367, 2117, 9569, 14819, 39643, 99791, 277501, 698537, 2893939, 20257573]

約数ペア:

[(1, 20257573), (7, 2893939), (29, 698537), (73, 277501), (203, 99791), (511, 39643), (1367, 14819), (2117, 9569)]