20929779

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{59629}}^1$

素因数の和:59651

約数の個数: 16

約数和(自身を含む): 33392800

約数和(自身を除く): 12463021

約数列:

[1, 3, 9, 13, 27, 39, 117, 351, 59629, 178887, 536661, 775177, 1609983, 2325531, 6976593, 20929779]

約数ペア:

[(1, 20929779), (3, 6976593), (9, 2325531), (13, 1609983), (27, 775177), (39, 536661), (117, 178887), (351, 59629)]