20124995

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{239}}^1\times {\mathrm{1531}}^1$

素因数の和:1786

約数の個数: 16

約数和(自身を含む): 26472960

約数和(自身を除く): 6347965

約数列:

[1, 5, 11, 55, 239, 1195, 1531, 2629, 7655, 13145, 16841, 84205, 365909, 1829545, 4024999, 20124995]

約数ペア:

[(1, 20124995), (5, 4024999), (11, 1829545), (55, 365909), (239, 84205), (1195, 16841), (1531, 13145), (2629, 7655)]