20161774090

素因数分解:

$2^1\times 5^1\times {\mathrm{4289}}^1\times {\mathrm{470081}}^1$

素因数の和:474377

約数の個数: 16

約数和(自身を含む): 36299732040

約数和(自身を除く): 16137957950

約数列:

[1, 2, 5, 10, 4289, 8578, 21445, 42890, 470081, 940162, 2350405, 4700810, 2016177409, 4032354818, 10080887045, 20161774090]

約数ペア:

[(1, 20161774090), (2, 10080887045), (5, 4032354818), (10, 2016177409), (4289, 4700810), (8578, 2350405), (21445, 940162), (42890, 470081)]