20581678

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{13417}}^1$

素因数の和:13491

約数の個数: 16

約数和(自身を含む): 33813360

約数和(自身を除く): 13231682

約数列:

[1, 2, 13, 26, 59, 118, 767, 1534, 13417, 26834, 174421, 348842, 791603, 1583206, 10290839, 20581678]

約数ペア:

[(1, 20581678), (2, 10290839), (13, 1583206), (26, 791603), (59, 348842), (118, 174421), (767, 26834), (1534, 13417)]