20166705904

素因数分解:

$2^4\times {\mathrm{571}}^1\times {\mathrm{2207389}}^1$

素因数の和:2207968

約数の個数: 20

約数和(自身を含む): 39141439480

約数和(自身を除く): 18974733576

約数列:

[1, 2, 4, 8, 16, 571, 1142, 2284, 4568, 9136, 2207389, 4414778, 8829556, 17659112, 35318224, 1260419119, 2520838238, 5041676476, 10083352952, 20166705904]

約数ペア:

[(1, 20166705904), (2, 10083352952), (4, 5041676476), (8, 2520838238), (16, 1260419119), (571, 35318224), (1142, 17659112), (2284, 8829556), (4568, 4414778), (9136, 2207389)]