20235969

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{9103}}^1$

素因数の和:9141

約数の個数: 24

約数和(自身を含む): 33138560

約数和(自身を除く): 12902591

約数列:

[1, 3, 9, 13, 19, 39, 57, 117, 171, 247, 741, 2223, 9103, 27309, 81927, 118339, 172957, 355017, 518871, 1065051, 1556613, 2248441, 6745323, 20235969]

約数ペア:

[(1, 20235969), (3, 6745323), (9, 2248441), (13, 1556613), (19, 1065051), (39, 518871), (57, 355017), (117, 172957), (171, 118339), (247, 81927), (741, 27309), (2223, 9103)]