20321830

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{106957}}^1$

素因数の和:106983

約数の個数: 16

約数和(自身を含む): 38504880

約数和(自身を除く): 18183050

約数列:

[1, 2, 5, 10, 19, 38, 95, 190, 106957, 213914, 534785, 1069570, 2032183, 4064366, 10160915, 20321830]

約数ペア:

[(1, 20321830), (2, 10160915), (5, 4064366), (10, 2032183), (19, 1069570), (38, 534785), (95, 213914), (190, 106957)]