20538553659

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{253553}}^1$

素因数の和:253667

約数の個数: 32

約数和(自身を含む): 30897076224

約数和(自身を除く): 10358522565

約数列:

[1, 3, 13, 31, 39, 67, 93, 201, 403, 871, 1209, 2077, 2613, 6231, 27001, 81003, 253553, 760659, 3296189, 7860143, 9888567, 16988051, 23580429, 50964153, 102181859, 220844663, 306545577, 526629581, 662533989, 1579888743, 6846184553, 20538553659]

約数ペア:

[(1, 20538553659), (3, 6846184553), (13, 1579888743), (31, 662533989), (39, 526629581), (67, 306545577), (93, 220844663), (201, 102181859), (403, 50964153), (871, 23580429), (1209, 16988051), (2077, 9888567), (2613, 7860143), (6231, 3296189), (27001, 760659), (81003, 253553)]