20069540

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^2\times {\mathrm{733}}^1$

素因数の和:816

約数の個数: 36

約数和(自身を含む): 43374996

約数和(自身を除く): 23305456

約数列:

[1, 2, 4, 5, 10, 20, 37, 74, 148, 185, 370, 733, 740, 1369, 1466, 2738, 2932, 3665, 5476, 6845, 7330, 13690, 14660, 27121, 27380, 54242, 108484, 135605, 271210, 542420, 1003477, 2006954, 4013908, 5017385, 10034770, 20069540]

約数ペア:

[(1, 20069540), (2, 10034770), (4, 5017385), (5, 4013908), (10, 2006954), (20, 1003477), (37, 542420), (74, 271210), (148, 135605), (185, 108484), (370, 54242), (733, 27380), (740, 27121), (1369, 14660), (1466, 13690), (2738, 7330), (2932, 6845), (3665, 5476)]