20121207455

素因数分解:

$5^1\times {\mathrm{881}}^1\times {\mathrm{1301}}^1\times {\mathrm{3511}}^1$

素因数の和:5698

約数の個数: 16

約数和(自身を含む): 24198326208

約数和(自身を除く): 4077118753

約数列:

[1, 5, 881, 1301, 3511, 4405, 6505, 17555, 1146181, 3093191, 4567811, 5730905, 15465955, 22839055, 4024241491, 20121207455]

約数ペア:

[(1, 20121207455), (5, 4024241491), (881, 22839055), (1301, 15465955), (3511, 5730905), (4405, 4567811), (6505, 3093191), (17555, 1146181)]