20669042

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{26431}}^1$

素因数の和:26473

約数の個数: 16

約数和(自身を含む): 34255872

約数和(自身を除く): 13586830

約数列:

[1, 2, 17, 23, 34, 46, 391, 782, 26431, 52862, 449327, 607913, 898654, 1215826, 10334521, 20669042]

約数ペア:

[(1, 20669042), (2, 10334521), (17, 1215826), (23, 898654), (34, 607913), (46, 449327), (391, 52862), (782, 26431)]