20195529981

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{131}}^1\times {\mathrm{4671647}}^1$

素因数の和:4671792

約数の個数: 16

約数和(自身を含む): 29599561728

約数和(自身を除く): 9404031747

約数列:

[1, 3, 11, 33, 131, 393, 1441, 4323, 4671647, 14014941, 51388117, 154164351, 611985757, 1835957271, 6731843327, 20195529981]

約数ペア:

[(1, 20195529981), (3, 6731843327), (11, 1835957271), (33, 611985757), (131, 154164351), (393, 51388117), (1441, 14014941), (4323, 4671647)]