20907129

素因数分解:

$3^1\times {\mathrm{139}}^1\times {\mathrm{181}}^1\times {\mathrm{277}}^1$

素因数の和:600

約数の個数: 16

約数和(自身を含む): 28333760

約数和(自身を除く): 7426631

約数列:

[1, 3, 139, 181, 277, 417, 543, 831, 25159, 38503, 50137, 75477, 115509, 150411, 6969043, 20907129]

約数ペア:

[(1, 20907129), (3, 6969043), (139, 150411), (181, 115509), (277, 75477), (417, 50137), (543, 38503), (831, 25159)]