20829743

素因数分解:

${\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{167}}^1$

素因数の和:247

約数の個数: 32

約数和(自身を含む): 26127360

約数和(自身を除く): 5297617

約数列:

[1, 11, 17, 23, 29, 167, 187, 253, 319, 391, 493, 667, 1837, 2839, 3841, 4301, 4843, 5423, 7337, 11339, 31229, 42251, 53273, 65297, 82331, 111389, 124729, 718267, 905641, 1225279, 1893613, 20829743]

約数ペア:

[(1, 20829743), (11, 1893613), (17, 1225279), (23, 905641), (29, 718267), (167, 124729), (187, 111389), (253, 82331), (319, 65297), (391, 53273), (493, 42251), (667, 31229), (1837, 11339), (2839, 7337), (3841, 5423), (4301, 4843)]