20163947240

素因数分解:

$2^3\times 5^1\times {\mathrm{504098681}}^1$

素因数の和:504098692

約数の個数: 16

約数和(自身を含む): 45368881380

約数和(自身を除く): 25204934140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 504098681, 1008197362, 2016394724, 2520493405, 4032789448, 5040986810, 10081973620, 20163947240]

約数ペア:

[(1, 20163947240), (2, 10081973620), (4, 5040986810), (5, 4032789448), (8, 2520493405), (10, 2016394724), (20, 1008197362), (40, 504098681)]