20542743

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{9241}}^1$

素因数の和:9279

約数の個数: 24

約数和(自身を含む): 33640880

約数和(自身を除く): 13098137

約数列:

[1, 3, 9, 13, 19, 39, 57, 117, 171, 247, 741, 2223, 9241, 27723, 83169, 120133, 175579, 360399, 526737, 1081197, 1580211, 2282527, 6847581, 20542743]

約数ペア:

[(1, 20542743), (3, 6847581), (9, 2282527), (13, 1580211), (19, 1081197), (39, 526737), (57, 360399), (117, 175579), (171, 120133), (247, 83169), (741, 27723), (2223, 9241)]