20222251

素因数分解:

$7^3\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{107}}^1$

素因数の和:176

約数の個数: 32

約数和(自身を含む): 25920000

約数和(自身を除く): 5697749

約数列:

[1, 7, 19, 29, 49, 107, 133, 203, 343, 551, 749, 931, 1421, 2033, 3103, 3857, 5243, 6517, 9947, 14231, 21721, 26999, 36701, 58957, 99617, 152047, 188993, 412699, 697319, 1064329, 2888893, 20222251]

約数ペア:

[(1, 20222251), (7, 2888893), (19, 1064329), (29, 697319), (49, 412699), (107, 188993), (133, 152047), (203, 99617), (343, 58957), (551, 36701), (749, 26999), (931, 21721), (1421, 14231), (2033, 9947), (3103, 6517), (3857, 5243)]