20874784

素因数分解:

$2^5\times 7^2\times {\mathrm{13313}}^1$

素因数の和:13337

約数の個数: 36

約数和(自身を含む): 47810574

約数和(自身を除く): 26935790

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 49, 56, 98, 112, 196, 224, 392, 784, 1568, 13313, 26626, 53252, 93191, 106504, 186382, 213008, 372764, 426016, 652337, 745528, 1304674, 1491056, 2609348, 2982112, 5218696, 10437392, 20874784]

約数ペア:

[(1, 20874784), (2, 10437392), (4, 5218696), (7, 2982112), (8, 2609348), (14, 1491056), (16, 1304674), (28, 745528), (32, 652337), (49, 426016), (56, 372764), (98, 213008), (112, 186382), (196, 106504), (224, 93191), (392, 53252), (784, 26626), (1568, 13313)]