20565688073

素因数分解:

$7^1\times {\mathrm{23}}^2\times {\mathrm{5553791}}^1$

素因数の和:5553844

約数の個数: 12

約数和(自身を含む): 24569975808

約数和(自身を除く): 4004287735

約数列:

[1, 7, 23, 161, 529, 3703, 5553791, 38876537, 127737193, 894160351, 2937955439, 20565688073]

約数ペア:

[(1, 20565688073), (7, 2937955439), (23, 894160351), (161, 127737193), (529, 38876537), (3703, 5553791)]