20512071997555

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{124147}}^1\times {\mathrm{1436731}}^1$

素因数の和:1560906

約数の個数: 16

約数和(自身を含む): 25684906224384

約数和(自身を除く): 5172834226829

約数列:

[1, 5, 23, 115, 124147, 620735, 1436731, 2855381, 7183655, 14276905, 33044813, 165224065, 178365843457, 891829217285, 4102414399511, 20512071997555]

約数ペア:

[(1, 20512071997555), (5, 4102414399511), (23, 891829217285), (115, 178365843457), (124147, 165224065), (620735, 33044813), (1436731, 14276905), (2855381, 7183655)]