20095870

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{118211}}^1$

素因数の和:118235

約数の個数: 16

約数和(自身を含む): 38300688

約数和(自身を除く): 18204818

約数列:

[1, 2, 5, 10, 17, 34, 85, 170, 118211, 236422, 591055, 1182110, 2009587, 4019174, 10047935, 20095870]

約数ペア:

[(1, 20095870), (2, 10047935), (5, 4019174), (10, 2009587), (17, 1182110), (34, 591055), (85, 236422), (170, 118211)]