20054524

素因数分解:

$2^2\times 7^3\times {\mathrm{47}}^1\times {\mathrm{311}}^1$

素因数の和:383

約数の個数: 48

約数和(自身を含む): 41932800

約数和(自身を除く): 21878276

約数列:

[1, 2, 4, 7, 14, 28, 47, 49, 94, 98, 188, 196, 311, 329, 343, 622, 658, 686, 1244, 1316, 1372, 2177, 2303, 4354, 4606, 8708, 9212, 14617, 15239, 16121, 29234, 30478, 32242, 58468, 60956, 64484, 102319, 106673, 204638, 213346, 409276, 426692, 716233, 1432466, 2864932, 5013631, 10027262, 20054524]

約数ペア:

[(1, 20054524), (2, 10027262), (4, 5013631), (7, 2864932), (14, 1432466), (28, 716233), (47, 426692), (49, 409276), (94, 213346), (98, 204638), (188, 106673), (196, 102319), (311, 64484), (329, 60956), (343, 58468), (622, 32242), (658, 30478), (686, 29234), (1244, 16121), (1316, 15239), (1372, 14617), (2177, 9212), (2303, 8708), (4354, 4606)]