20123078985

素因数分解:

$3^2\times 5^1\times {\mathrm{113}}^1\times {\mathrm{3957341}}^1$

素因数の和:3957465

約数の個数: 24

約数和(自身を含む): 35188685064

約数和(自身を除く): 15065606079

約数列:

[1, 3, 5, 9, 15, 45, 113, 339, 565, 1017, 1695, 5085, 3957341, 11872023, 19786705, 35616069, 59360115, 178080345, 447179533, 1341538599, 2235897665, 4024615797, 6707692995, 20123078985]

約数ペア:

[(1, 20123078985), (3, 6707692995), (5, 4024615797), (9, 2235897665), (15, 1341538599), (45, 447179533), (113, 178080345), (339, 59360115), (565, 35616069), (1017, 19786705), (1695, 11872023), (5085, 3957341)]