20694255

素因数分解:

$3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{113}}^1\times {\mathrm{421}}^1$

素因数の和:571

約数の個数: 32

約数和(自身を含む): 34637760

約数和(自身を除く): 13943505

約数列:

[1, 3, 5, 15, 29, 87, 113, 145, 339, 421, 435, 565, 1263, 1695, 2105, 3277, 6315, 9831, 12209, 16385, 36627, 47573, 49155, 61045, 142719, 183135, 237865, 713595, 1379617, 4138851, 6898085, 20694255]

約数ペア:

[(1, 20694255), (3, 6898085), (5, 4138851), (15, 1379617), (29, 713595), (87, 237865), (113, 183135), (145, 142719), (339, 61045), (421, 49155), (435, 47573), (565, 36627), (1263, 16385), (1695, 12209), (2105, 9831), (3277, 6315)]