20152808

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{107}}^1\times {\mathrm{1811}}^1$

素因数の和:1937

約数の個数: 32

約数和(自身を含む): 41096160

約数和(自身を除く): 20943352

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 107, 214, 428, 856, 1391, 1811, 2782, 3622, 5564, 7244, 11128, 14488, 23543, 47086, 94172, 188344, 193777, 387554, 775108, 1550216, 2519101, 5038202, 10076404, 20152808]

約数ペア:

[(1, 20152808), (2, 10076404), (4, 5038202), (8, 2519101), (13, 1550216), (26, 775108), (52, 387554), (104, 193777), (107, 188344), (214, 94172), (428, 47086), (856, 23543), (1391, 14488), (1811, 11128), (2782, 7244), (3622, 5564)]