20178032896

素因数分解:

$2^8\times 7^1\times {\mathrm{103}}^1\times {\mathrm{109321}}^1$

素因数の和:109447

約数の個数: 72

約数和(自身を含む): 46478466944

約数和(自身を除く): 26300434048

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 103, 112, 128, 206, 224, 256, 412, 448, 721, 824, 896, 1442, 1648, 1792, 2884, 3296, 5768, 6592, 11536, 13184, 23072, 26368, 46144, 92288, 109321, 184576, 218642, 437284, 765247, 874568, 1530494, 1749136, 3060988, 3498272, 6121976, 6996544, 11260063, 12243952, 13993088, 22520126, 24487904, 27986176, 45040252, 48975808, 78820441, 90080504, 97951616, 157640882, 180161008, 195903232, 315281764, 360322016, 630563528, 720644032, 1261127056, 1441288064, 2522254112, 2882576128, 5044508224, 10089016448, 20178032896]

約数ペア:

[(1, 20178032896), (2, 10089016448), (4, 5044508224), (7, 2882576128), (8, 2522254112), (14, 1441288064), (16, 1261127056), (28, 720644032), (32, 630563528), (56, 360322016), (64, 315281764), (103, 195903232), (112, 180161008), (128, 157640882), (206, 97951616), (224, 90080504), (256, 78820441), (412, 48975808), (448, 45040252), (721, 27986176), (824, 24487904), (896, 22520126), (1442, 13993088), (1648, 12243952), (1792, 11260063), (2884, 6996544), (3296, 6121976), (5768, 3498272), (6592, 3060988), (11536, 1749136), (13184, 1530494), (23072, 874568), (26368, 765247), (46144, 437284), (92288, 218642), (109321, 184576)]