20809330355

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{719}}^1\times {\mathrm{6661}}^1$

素因数の和:7475

約数の個数: 32

約数和(自身を含む): 27628646400

約数和(自身を除く): 6819316045

約数列:

[1, 5, 11, 55, 79, 395, 719, 869, 3595, 4345, 6661, 7909, 33305, 39545, 56801, 73271, 284005, 366355, 526219, 624811, 2631095, 3124055, 4789259, 5788409, 23946295, 28942045, 52681849, 263409245, 378351461, 1891757305, 4161866071, 20809330355]

約数ペア:

[(1, 20809330355), (5, 4161866071), (11, 1891757305), (55, 378351461), (79, 263409245), (395, 52681849), (719, 28942045), (869, 23946295), (3595, 5788409), (4345, 4789259), (6661, 3124055), (7909, 2631095), (33305, 624811), (39545, 526219), (56801, 366355), (73271, 284005)]