20197209485

素因数分解:

$5^1\times {\mathrm{199}}^1\times {\mathrm{443}}^1\times {\mathrm{45821}}^1$

素因数の和:46468

約数の個数: 16

約数和(自身を含む): 24413961600

約数和(自身を除く): 4216752115

約数列:

[1, 5, 199, 443, 995, 2215, 45821, 88157, 229105, 440785, 9118379, 20298703, 45591895, 101493515, 4039441897, 20197209485]

約数ペア:

[(1, 20197209485), (5, 4039441897), (199, 101493515), (443, 45591895), (995, 20298703), (2215, 9118379), (45821, 440785), (88157, 229105)]