20788527

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{101}}^1\times {\mathrm{157}}^1$

素因数の和:303

約数の個数: 32

約数和(自身を含む): 30942720

約数和(自身を除く): 10154193

約数列:

[1, 3, 19, 23, 57, 69, 101, 157, 303, 437, 471, 1311, 1919, 2323, 2983, 3611, 5757, 6969, 8949, 10833, 15857, 44137, 47571, 68609, 132411, 205827, 301283, 364711, 903849, 1094133, 6929509, 20788527]

約数ペア:

[(1, 20788527), (3, 6929509), (19, 1094133), (23, 903849), (57, 364711), (69, 301283), (101, 205827), (157, 132411), (303, 68609), (437, 47571), (471, 44137), (1311, 15857), (1919, 10833), (2323, 8949), (2983, 6969), (3611, 5757)]