20287355

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{347}}^1\times {\mathrm{1063}}^1$

素因数の和:1426

約数の個数: 16

約数和(自身を含む): 26659584

約数和(自身を除く): 6372229

約数列:

[1, 5, 11, 55, 347, 1063, 1735, 3817, 5315, 11693, 19085, 58465, 368861, 1844305, 4057471, 20287355]

約数ペア:

[(1, 20287355), (5, 4057471), (11, 1844305), (55, 368861), (347, 58465), (1063, 19085), (1735, 11693), (3817, 5315)]