20679216

素因数分解:

$2^4\times 3^1\times {\mathrm{43}}^2\times {\mathrm{233}}^1$

素因数の和:330

約数の個数: 60

約数和(自身を含む): 54927288

約数和(自身を除く): 34248072

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 43, 48, 86, 129, 172, 233, 258, 344, 466, 516, 688, 699, 932, 1032, 1398, 1849, 1864, 2064, 2796, 3698, 3728, 5547, 5592, 7396, 10019, 11094, 11184, 14792, 20038, 22188, 29584, 30057, 40076, 44376, 60114, 80152, 88752, 120228, 160304, 240456, 430817, 480912, 861634, 1292451, 1723268, 2584902, 3446536, 5169804, 6893072, 10339608, 20679216]

約数ペア:

[(1, 20679216), (2, 10339608), (3, 6893072), (4, 5169804), (6, 3446536), (8, 2584902), (12, 1723268), (16, 1292451), (24, 861634), (43, 480912), (48, 430817), (86, 240456), (129, 160304), (172, 120228), (233, 88752), (258, 80152), (344, 60114), (466, 44376), (516, 40076), (688, 30057), (699, 29584), (932, 22188), (1032, 20038), (1398, 14792), (1849, 11184), (1864, 11094), (2064, 10019), (2796, 7396), (3698, 5592), (3728, 5547)]