20267968

素因数分解:

$2^6\times 7^2\times {\mathrm{23}}^1\times {\mathrm{281}}^1$

素因数の和:330

約数の個数: 84

約数和(自身を含む): 48993552

約数和(自身を除く): 28725584

約数列:

[1, 2, 4, 7, 8, 14, 16, 23, 28, 32, 46, 49, 56, 64, 92, 98, 112, 161, 184, 196, 224, 281, 322, 368, 392, 448, 562, 644, 736, 784, 1124, 1127, 1288, 1472, 1568, 1967, 2248, 2254, 2576, 3136, 3934, 4496, 4508, 5152, 6463, 7868, 8992, 9016, 10304, 12926, 13769, 15736, 17984, 18032, 25852, 27538, 31472, 36064, 45241, 51704, 55076, 62944, 72128, 90482, 103408, 110152, 125888, 180964, 206816, 220304, 316687, 361928, 413632, 440608, 633374, 723856, 881216, 1266748, 1447712, 2533496, 2895424, 5066992, 10133984, 20267968]

約数ペア:

[(1, 20267968), (2, 10133984), (4, 5066992), (7, 2895424), (8, 2533496), (14, 1447712), (16, 1266748), (23, 881216), (28, 723856), (32, 633374), (46, 440608), (49, 413632), (56, 361928), (64, 316687), (92, 220304), (98, 206816), (112, 180964), (161, 125888), (184, 110152), (196, 103408), (224, 90482), (281, 72128), (322, 62944), (368, 55076), (392, 51704), (448, 45241), (562, 36064), (644, 31472), (736, 27538), (784, 25852), (1124, 18032), (1127, 17984), (1288, 15736), (1472, 13769), (1568, 12926), (1967, 10304), (2248, 9016), (2254, 8992), (2576, 7868), (3136, 6463), (3934, 5152), (4496, 4508)]