20157631963

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{2052503}}^1$

素因数の和:2052594

約数の個数: 16

約数和(自身を含む): 24433007616

約数和(自身を除く): 4275375653

約数列:

[1, 7, 23, 61, 161, 427, 1403, 9821, 2052503, 14367521, 47207569, 125202683, 330452983, 876418781, 2879661709, 20157631963]

約数ペア:

[(1, 20157631963), (7, 2879661709), (23, 876418781), (61, 330452983), (161, 125202683), (427, 47207569), (1403, 14367521), (9821, 2052503)]