20146972880

素因数分解:

$2^4\times 5^1\times {\mathrm{853}}^1\times {\mathrm{295237}}^1$

素因数の和:296103

約数の個数: 40

約数和(自身を含む): 46896784872

約数和(自身を除く): 26749811992

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 853, 1706, 3412, 4265, 6824, 8530, 13648, 17060, 34120, 68240, 295237, 590474, 1180948, 1476185, 2361896, 2952370, 4723792, 5904740, 11809480, 23618960, 251837161, 503674322, 1007348644, 1259185805, 2014697288, 2518371610, 4029394576, 5036743220, 10073486440, 20146972880]

約数ペア:

[(1, 20146972880), (2, 10073486440), (4, 5036743220), (5, 4029394576), (8, 2518371610), (10, 2014697288), (16, 1259185805), (20, 1007348644), (40, 503674322), (80, 251837161), (853, 23618960), (1706, 11809480), (3412, 5904740), (4265, 4723792), (6824, 2952370), (8530, 2361896), (13648, 1476185), (17060, 1180948), (34120, 590474), (68240, 295237)]