20156860

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{27239}}^1$

素因数の和:27285

約数の個数: 24

約数和(自身を含む): 43475040

約数和(自身を除く): 23318180

約数列:

[1, 2, 4, 5, 10, 20, 37, 74, 148, 185, 370, 740, 27239, 54478, 108956, 136195, 272390, 544780, 1007843, 2015686, 4031372, 5039215, 10078430, 20156860]

約数ペア:

[(1, 20156860), (2, 10078430), (4, 5039215), (5, 4031372), (10, 2015686), (20, 1007843), (37, 544780), (74, 272390), (148, 136195), (185, 108956), (370, 54478), (740, 27239)]