20278654

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{59}}^1\times {\mathrm{919}}^1$

素因数の和:1008

約数の個数: 32

約数和(自身を含む): 35769600

約数和(自身を除く): 15490946

約数列:

[1, 2, 11, 17, 22, 34, 59, 118, 187, 374, 649, 919, 1003, 1298, 1838, 2006, 10109, 11033, 15623, 20218, 22066, 31246, 54221, 108442, 171853, 343706, 596431, 921757, 1192862, 1843514, 10139327, 20278654]

約数ペア:

[(1, 20278654), (2, 10139327), (11, 1843514), (17, 1192862), (22, 921757), (34, 596431), (59, 343706), (118, 171853), (187, 108442), (374, 54221), (649, 31246), (919, 22066), (1003, 20218), (1298, 15623), (1838, 11033), (2006, 10109)]