20355776

素因数分解:

$2^6\times 7^2\times {\mathrm{6491}}^1$

素因数の和:6517

約数の個数: 42

約数和(自身を含む): 46995588

約数和(自身を除く): 26639812

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 49, 56, 64, 98, 112, 196, 224, 392, 448, 784, 1568, 3136, 6491, 12982, 25964, 45437, 51928, 90874, 103856, 181748, 207712, 318059, 363496, 415424, 636118, 726992, 1272236, 1453984, 2544472, 2907968, 5088944, 10177888, 20355776]

約数ペア:

[(1, 20355776), (2, 10177888), (4, 5088944), (7, 2907968), (8, 2544472), (14, 1453984), (16, 1272236), (28, 726992), (32, 636118), (49, 415424), (56, 363496), (64, 318059), (98, 207712), (112, 181748), (196, 103856), (224, 90874), (392, 51928), (448, 45437), (784, 25964), (1568, 12982), (3136, 6491)]