20173992040

素因数分解:

$2^3\times 5^1\times {\mathrm{504349801}}^1$

素因数の和:504349812

約数の個数: 16

約数和(自身を含む): 45391482180

約数和(自身を除く): 25217490140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 504349801, 1008699602, 2017399204, 2521749005, 4034798408, 5043498010, 10086996020, 20173992040]

約数ペア:

[(1, 20173992040), (2, 10086996020), (4, 5043498010), (5, 4034798408), (8, 2521749005), (10, 2017399204), (20, 1008699602), (40, 504349801)]