20520418

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{13171}}^1$

素因数の和:13233

約数の個数: 16

約数和(自身を含む): 33193440

約数和(自身を除く): 12673022

約数列:

[1, 2, 19, 38, 41, 82, 779, 1558, 13171, 26342, 250249, 500498, 540011, 1080022, 10260209, 20520418]

約数ペア:

[(1, 20520418), (2, 10260209), (19, 1080022), (38, 540011), (41, 500498), (82, 250249), (779, 26342), (1558, 13171)]