20155386087

素因数分解:

$3^4\times {\mathrm{43}}^1\times {\mathrm{263}}^1\times {\mathrm{22003}}^1$

素因数の和:22321

約数の個数: 40

約数和(自身を含む): 30927414144

約数和(自身を除く): 10772028057

約数列:

[1, 3, 9, 27, 43, 81, 129, 263, 387, 789, 1161, 2367, 3483, 7101, 11309, 21303, 22003, 33927, 66009, 101781, 198027, 305343, 594081, 916029, 946129, 1782243, 2838387, 5786789, 8515161, 17360367, 25545483, 52081101, 76636449, 156243303, 248831927, 468729909, 746495781, 2239487343, 6718462029, 20155386087]

約数ペア:

[(1, 20155386087), (3, 6718462029), (9, 2239487343), (27, 746495781), (43, 468729909), (81, 248831927), (129, 156243303), (263, 76636449), (387, 52081101), (789, 25545483), (1161, 17360367), (2367, 8515161), (3483, 5786789), (7101, 2838387), (11309, 1782243), (21303, 946129), (22003, 916029), (33927, 594081), (66009, 305343), (101781, 198027)]