20790966

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{787}}^1$

素因数の和:853

約数の個数: 64

約数和(自身を含む): 51743232

約数和(自身を除く): 30952266

約数列:

[1, 2, 3, 6, 7, 14, 17, 21, 34, 37, 42, 51, 74, 102, 111, 119, 222, 238, 259, 357, 518, 629, 714, 777, 787, 1258, 1554, 1574, 1887, 2361, 3774, 4403, 4722, 5509, 8806, 11018, 13209, 13379, 16527, 26418, 26758, 29119, 33054, 40137, 58238, 80274, 87357, 93653, 174714, 187306, 203833, 280959, 407666, 495023, 561918, 611499, 990046, 1222998, 1485069, 2970138, 3465161, 6930322, 10395483, 20790966]

約数ペア:

[(1, 20790966), (2, 10395483), (3, 6930322), (6, 3465161), (7, 2970138), (14, 1485069), (17, 1222998), (21, 990046), (34, 611499), (37, 561918), (42, 495023), (51, 407666), (74, 280959), (102, 203833), (111, 187306), (119, 174714), (222, 93653), (238, 87357), (259, 80274), (357, 58238), (518, 40137), (629, 33054), (714, 29119), (777, 26758), (787, 26418), (1258, 16527), (1554, 13379), (1574, 13209), (1887, 11018), (2361, 8806), (3774, 5509), (4403, 4722)]