20514040

素因数分解:

$2^3\times 5^1\times {\mathrm{107}}^1\times {\mathrm{4793}}^1$

素因数の和:4911

約数の個数: 32

約数和(自身を含む): 46597680

約数和(自身を除く): 26083640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 107, 214, 428, 535, 856, 1070, 2140, 4280, 4793, 9586, 19172, 23965, 38344, 47930, 95860, 191720, 512851, 1025702, 2051404, 2564255, 4102808, 5128510, 10257020, 20514040]

約数ペア:

[(1, 20514040), (2, 10257020), (4, 5128510), (5, 4102808), (8, 2564255), (10, 2051404), (20, 1025702), (40, 512851), (107, 191720), (214, 95860), (428, 47930), (535, 38344), (856, 23965), (1070, 19172), (2140, 9586), (4280, 4793)]