20876360

素因数分解:

$2^3\times 5^1\times {\mathrm{557}}^1\times {\mathrm{937}}^1$

素因数の和:1505

約数の個数: 32

約数和(自身を含む): 47106360

約数和(自身を除く): 26230000

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 557, 937, 1114, 1874, 2228, 2785, 3748, 4456, 4685, 5570, 7496, 9370, 11140, 18740, 22280, 37480, 521909, 1043818, 2087636, 2609545, 4175272, 5219090, 10438180, 20876360]

約数ペア:

[(1, 20876360), (2, 10438180), (4, 5219090), (5, 4175272), (8, 2609545), (10, 2087636), (20, 1043818), (40, 521909), (557, 37480), (937, 22280), (1114, 18740), (1874, 11140), (2228, 9370), (2785, 7496), (3748, 5570), (4456, 4685)]