20123053576

素因数分解:

$2^3\times {\mathrm{131}}^1\times {\mathrm{2081}}^1\times {\mathrm{9227}}^1$

素因数の和:11445

約数の個数: 32

約数和(自身を含む): 38041138080

約数和(自身を除く): 17918084504

約数列:

[1, 2, 4, 8, 131, 262, 524, 1048, 2081, 4162, 8324, 9227, 16648, 18454, 36908, 73816, 272611, 545222, 1090444, 1208737, 2180888, 2417474, 4834948, 9669896, 19201387, 38402774, 76805548, 153611096, 2515381697, 5030763394, 10061526788, 20123053576]

約数ペア:

[(1, 20123053576), (2, 10061526788), (4, 5030763394), (8, 2515381697), (131, 153611096), (262, 76805548), (524, 38402774), (1048, 19201387), (2081, 9669896), (4162, 4834948), (8324, 2417474), (9227, 2180888), (16648, 1208737), (18454, 1090444), (36908, 545222), (73816, 272611)]