15669620

素因数分解:

$2^2\times 5^1\times {\mathrm{421}}^1\times {\mathrm{1861}}^1$

素因数の和:2291

約数の個数: 24

約数和(自身を含む): 33002088

約数和(自身を除く): 17332468

約数列:

[1, 2, 4, 5, 10, 20, 421, 842, 1684, 1861, 2105, 3722, 4210, 7444, 8420, 9305, 18610, 37220, 783481, 1566962, 3133924, 3917405, 7834810, 15669620]

約数ペア:

[(1, 15669620), (2, 7834810), (4, 3917405), (5, 3133924), (10, 1566962), (20, 783481), (421, 37220), (842, 18610), (1684, 9305), (1861, 8420), (2105, 7444), (3722, 4210)]