20115501111

素因数分解:

$3^2\times {\mathrm{349}}^1\times {\mathrm{6404171}}^1$

素因数の和:6404526

約数の個数: 12

約数和(自身を含む): 29138982600

約数和(自身を除く): 9023481489

約数列:

[1, 3, 9, 349, 1047, 3141, 6404171, 19212513, 57637539, 2235055679, 6705167037, 20115501111]

約数ペア:

[(1, 20115501111), (3, 6705167037), (9, 2235055679), (349, 57637539), (1047, 19212513), (3141, 6404171)]