20885943

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{5521}}^1$

素因数の和:5634

約数の個数: 16

約数和(自身を含む): 30304736

約数和(自身を除く): 9418793

約数列:

[1, 3, 13, 39, 97, 291, 1261, 3783, 5521, 16563, 71773, 215319, 535537, 1606611, 6961981, 20885943]

約数ペア:

[(1, 20885943), (3, 6961981), (13, 1606611), (39, 535537), (97, 215319), (291, 71773), (1261, 16563), (3783, 5521)]