20893844

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{11953}}^1$

素因数の和:11999

約数の個数: 24

約数和(自身を含む): 40165440

約数和(自身を除く): 19271596

約数列:

[1, 2, 4, 19, 23, 38, 46, 76, 92, 437, 874, 1748, 11953, 23906, 47812, 227107, 274919, 454214, 549838, 908428, 1099676, 5223461, 10446922, 20893844]

約数ペア:

[(1, 20893844), (2, 10446922), (4, 5223461), (19, 1099676), (23, 908428), (38, 549838), (46, 454214), (76, 274919), (92, 227107), (437, 47812), (874, 23906), (1748, 11953)]