20804360

素因数分解:

$2^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{14057}}^1$

素因数の和:14105

約数の個数: 32

約数和(自身を含む): 48078360

約数和(自身を除く): 27274000

約数列:

[1, 2, 4, 5, 8, 10, 20, 37, 40, 74, 148, 185, 296, 370, 740, 1480, 14057, 28114, 56228, 70285, 112456, 140570, 281140, 520109, 562280, 1040218, 2080436, 2600545, 4160872, 5201090, 10402180, 20804360]

約数ペア:

[(1, 20804360), (2, 10402180), (4, 5201090), (5, 4160872), (8, 2600545), (10, 2080436), (20, 1040218), (37, 562280), (40, 520109), (74, 281140), (148, 140570), (185, 112456), (296, 70285), (370, 56228), (740, 28114), (1480, 14057)]