20199402025

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{5519}}^1\times {\mathrm{13309}}^1$

素因数の和:18849

約数の個数: 24

約数和(自身を含む): 27331286400

約数和(自身を除く): 7131884375

約数列:

[1, 5, 11, 25, 55, 275, 5519, 13309, 27595, 60709, 66545, 137975, 146399, 303545, 332725, 731995, 1517725, 3659975, 73452371, 367261855, 807976081, 1836309275, 4039880405, 20199402025]

約数ペア:

[(1, 20199402025), (5, 4039880405), (11, 1836309275), (25, 807976081), (55, 367261855), (275, 73452371), (5519, 3659975), (13309, 1517725), (27595, 731995), (60709, 332725), (66545, 303545), (137975, 146399)]