20199061975

素因数分解:

$5^2\times {\mathrm{19}}^1\times {\mathrm{449}}^1\times {\mathrm{94709}}^1$

素因数の和:95187

約数の個数: 24

約数和(自身を含む): 26424090000

約数和(自身を除く): 6225028025

約数列:

[1, 5, 19, 25, 95, 449, 475, 2245, 8531, 11225, 42655, 94709, 213275, 473545, 1799471, 2367725, 8997355, 42524341, 44986775, 212621705, 807962479, 1063108525, 4039812395, 20199061975]

約数ペア:

[(1, 20199061975), (5, 4039812395), (19, 1063108525), (25, 807962479), (95, 212621705), (449, 44986775), (475, 42524341), (2245, 8997355), (8531, 2367725), (11225, 1799471), (42655, 473545), (94709, 213275)]