20854445

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{4423}}^1$

素因数の和:4492

約数の個数: 16

約数和(自身を含む): 26756352

約数和(自身を除く): 5901907

約数列:

[1, 5, 23, 41, 115, 205, 943, 4423, 4715, 22115, 101729, 181343, 508645, 906715, 4170889, 20854445]

約数ペア:

[(1, 20854445), (5, 4170889), (23, 906715), (41, 508645), (115, 181343), (205, 101729), (943, 22115), (4423, 4715)]