20681176

素因数分解:

$2^3\times {\mathrm{29}}^1\times {\mathrm{97}}^1\times {\mathrm{919}}^1$

素因数の和:1051

約数の個数: 32

約数和(自身を含む): 40572000

約数和(自身を除く): 19890824

約数列:

[1, 2, 4, 8, 29, 58, 97, 116, 194, 232, 388, 776, 919, 1838, 2813, 3676, 5626, 7352, 11252, 22504, 26651, 53302, 89143, 106604, 178286, 213208, 356572, 713144, 2585147, 5170294, 10340588, 20681176]

約数ペア:

[(1, 20681176), (2, 10340588), (4, 5170294), (8, 2585147), (29, 713144), (58, 356572), (97, 213208), (116, 178286), (194, 106604), (232, 89143), (388, 53302), (776, 26651), (919, 22504), (1838, 11252), (2813, 7352), (3676, 5626)]