20684776475

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{947}}^1\times {\mathrm{79427}}^1$

素因数の和:80395

約数の個数: 24

約数和(自身を含む): 28010760768

約数和(自身を除く): 7325984293

約数列:

[1, 5, 11, 25, 55, 275, 947, 4735, 10417, 23675, 52085, 79427, 260425, 397135, 873697, 1985675, 4368485, 21842425, 75217369, 376086845, 827391059, 1880434225, 4136955295, 20684776475]

約数ペア:

[(1, 20684776475), (5, 4136955295), (11, 1880434225), (25, 827391059), (55, 376086845), (275, 75217369), (947, 21842425), (4735, 4368485), (10417, 1985675), (23675, 873697), (52085, 397135), (79427, 260425)]