20762180

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{28057}}^1$

素因数の和:28103

約数の個数: 24

約数和(自身を含む): 44780568

約数和(自身を除く): 24018388

約数列:

[1, 2, 4, 5, 10, 20, 37, 74, 148, 185, 370, 740, 28057, 56114, 112228, 140285, 280570, 561140, 1038109, 2076218, 4152436, 5190545, 10381090, 20762180]

約数ペア:

[(1, 20762180), (2, 10381090), (4, 5190545), (5, 4152436), (10, 2076218), (20, 1038109), (37, 561140), (74, 280570), (148, 140285), (185, 112228), (370, 56114), (740, 28057)]