20706864

素因数分解:

$2^4\times 3^1\times {\mathrm{641}}^1\times {\mathrm{673}}^1$

素因数の和:1325

約数の個数: 40

約数和(自身を含む): 53655792

約数和(自身を除く): 32948928

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 641, 673, 1282, 1346, 1923, 2019, 2564, 2692, 3846, 4038, 5128, 5384, 7692, 8076, 10256, 10768, 15384, 16152, 30768, 32304, 431393, 862786, 1294179, 1725572, 2588358, 3451144, 5176716, 6902288, 10353432, 20706864]

約数ペア:

[(1, 20706864), (2, 10353432), (3, 6902288), (4, 5176716), (6, 3451144), (8, 2588358), (12, 1725572), (16, 1294179), (24, 862786), (48, 431393), (641, 32304), (673, 30768), (1282, 16152), (1346, 15384), (1923, 10768), (2019, 10256), (2564, 8076), (2692, 7692), (3846, 5384), (4038, 5128)]