20378097

素因数分解:

$3^2\times {\mathrm{29}}^1\times {\mathrm{163}}^1\times {\mathrm{479}}^1$

素因数の和:677

約数の個数: 24

約数和(自身を含む): 30700800

約数和(自身を除く): 10322703

約数列:

[1, 3, 9, 29, 87, 163, 261, 479, 489, 1437, 1467, 4311, 4727, 13891, 14181, 41673, 42543, 78077, 125019, 234231, 702693, 2264233, 6792699, 20378097]

約数ペア:

[(1, 20378097), (3, 6792699), (9, 2264233), (29, 702693), (87, 234231), (163, 125019), (261, 78077), (479, 42543), (489, 41673), (1437, 14181), (1467, 13891), (4311, 4727)]