20650491

素因数分解:

$3^3\times {\mathrm{173}}^1\times {\mathrm{4421}}^1$

素因数の和:4603

約数の個数: 16

約数和(自身を含む): 30777120

約数和(自身を除く): 10126629

約数列:

[1, 3, 9, 27, 173, 519, 1557, 4421, 4671, 13263, 39789, 119367, 764833, 2294499, 6883497, 20650491]

約数ペア:

[(1, 20650491), (3, 6883497), (9, 2294499), (27, 764833), (173, 119367), (519, 39789), (1557, 13263), (4421, 4671)]