20091572

素因数分解:

$2^2\times {\mathrm{89}}^1\times {\mathrm{56437}}^1$

素因数の和:56530

約数の個数: 12

約数和(自身を含む): 35555940

約数和(自身を除く): 15464368

約数列:

[1, 2, 4, 89, 178, 356, 56437, 112874, 225748, 5022893, 10045786, 20091572]

約数ペア:

[(1, 20091572), (2, 10045786), (4, 5022893), (89, 225748), (178, 112874), (356, 56437)]