20346513190

素因数分解:

$2^1\times 5^1\times {\mathrm{10391}}^1\times {\mathrm{195809}}^1$

素因数の和:206207

約数の個数: 16

約数和(自身を含む): 36627435360

約数和(自身を除く): 16280922170

約数列:

[1, 2, 5, 10, 10391, 20782, 51955, 103910, 195809, 391618, 979045, 1958090, 2034651319, 4069302638, 10173256595, 20346513190]

約数ペア:

[(1, 20346513190), (2, 10173256595), (5, 4069302638), (10, 2034651319), (10391, 1958090), (20782, 979045), (51955, 391618), (103910, 195809)]