20542923

素因数分解:

$3^3\times {\mathrm{79}}^1\times {\mathrm{9631}}^1$

素因数の和:9719

約数の個数: 16

約数和(自身を含む): 30822400

約数和(自身を除く): 10279477

約数列:

[1, 3, 9, 27, 79, 237, 711, 2133, 9631, 28893, 86679, 260037, 760849, 2282547, 6847641, 20542923]

約数ペア:

[(1, 20542923), (3, 6847641), (9, 2282547), (27, 760849), (79, 260037), (237, 86679), (711, 28893), (2133, 9631)]