20811688

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{5953}}^1$

素因数の和:6001

約数の個数: 32

約数和(自身を含む): 42868800

約数和(自身を除く): 22057112

約数列:

[1, 2, 4, 8, 19, 23, 38, 46, 76, 92, 152, 184, 437, 874, 1748, 3496, 5953, 11906, 23812, 47624, 113107, 136919, 226214, 273838, 452428, 547676, 904856, 1095352, 2601461, 5202922, 10405844, 20811688]

約数ペア:

[(1, 20811688), (2, 10405844), (4, 5202922), (8, 2601461), (19, 1095352), (23, 904856), (38, 547676), (46, 452428), (76, 273838), (92, 226214), (152, 136919), (184, 113107), (437, 47624), (874, 23812), (1748, 11906), (3496, 5953)]