20426139

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{101}}^1\times {\mathrm{977}}^1$

素因数の和:1107

約数の個数: 24

約数和(自身を含む): 31123872

約数和(自身を除く): 10697733

約数列:

[1, 3, 9, 23, 69, 101, 207, 303, 909, 977, 2323, 2931, 6969, 8793, 20907, 22471, 67413, 98677, 202239, 296031, 888093, 2269571, 6808713, 20426139]

約数ペア:

[(1, 20426139), (3, 6808713), (9, 2269571), (23, 888093), (69, 296031), (101, 202239), (207, 98677), (303, 67413), (909, 22471), (977, 20907), (2323, 8793), (2931, 6969)]