20049405

素因数分解:

$3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{43117}}^1$

素因数の和:43156

約数の個数: 16

約数和(自身を含む): 33114624

約数和(自身を除く): 13065219

約数列:

[1, 3, 5, 15, 31, 93, 155, 465, 43117, 129351, 215585, 646755, 1336627, 4009881, 6683135, 20049405]

約数ペア:

[(1, 20049405), (3, 6683135), (5, 4009881), (15, 1336627), (31, 646755), (93, 215585), (155, 129351), (465, 43117)]