20153990

素因数分解:

$2^1\times 5^1\times {\mathrm{827}}^1\times {\mathrm{2437}}^1$

素因数の和:3271

約数の個数: 16

約数和(自身を含む): 36335952

約数和(自身を除く): 16181962

約数列:

[1, 2, 5, 10, 827, 1654, 2437, 4135, 4874, 8270, 12185, 24370, 2015399, 4030798, 10076995, 20153990]

約数ペア:

[(1, 20153990), (2, 10076995), (5, 4030798), (10, 2015399), (827, 24370), (1654, 12185), (2437, 8270), (4135, 4874)]