20782931

素因数分解:

${\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{107}}^1\times {\mathrm{223}}^1$

素因数の和:410

約数の個数: 16

約数和(自身を含む): 23030784

約数和(自身を除く): 2247853

約数列:

[1, 13, 67, 107, 223, 871, 1391, 2899, 7169, 14941, 23861, 93197, 194233, 310193, 1598687, 20782931]

約数ペア:

[(1, 20782931), (13, 1598687), (67, 310193), (107, 194233), (223, 93197), (871, 23861), (1391, 14941), (2899, 7169)]