20139615

素因数分解:

$3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{14437}}^1$

素因数の和:14479

約数の個数: 24

約数和(自身を含む): 36037248

約数和(自身を除く): 15897633

約数列:

[1, 3, 5, 9, 15, 31, 45, 93, 155, 279, 465, 1395, 14437, 43311, 72185, 129933, 216555, 447547, 649665, 1342641, 2237735, 4027923, 6713205, 20139615]

約数ペア:

[(1, 20139615), (3, 6713205), (5, 4027923), (9, 2237735), (15, 1342641), (31, 649665), (45, 447547), (93, 216555), (155, 129933), (279, 72185), (465, 43311), (1395, 14437)]