20356676

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{4391}}^1$

素因数の和:4475

約数の個数: 24

約数和(自身を含む): 38122560

約数和(自身を除く): 17765884

約数列:

[1, 2, 4, 19, 38, 61, 76, 122, 244, 1159, 2318, 4391, 4636, 8782, 17564, 83429, 166858, 267851, 333716, 535702, 1071404, 5089169, 10178338, 20356676]

約数ペア:

[(1, 20356676), (2, 10178338), (4, 5089169), (19, 1071404), (38, 535702), (61, 333716), (76, 267851), (122, 166858), (244, 83429), (1159, 17564), (2318, 8782), (4391, 4636)]