20151258740

素因数分解:

$2^2\times 5^1\times {\mathrm{167}}^1\times {\mathrm{337}}^1\times {\mathrm{17903}}^1$

素因数の和:18416

約数の個数: 48

約数和(自身を含む): 42699750912

約数和(自身を除く): 22548492172

約数列:

[1, 2, 4, 5, 10, 20, 167, 334, 337, 668, 674, 835, 1348, 1670, 1685, 3340, 3370, 6740, 17903, 35806, 56279, 71612, 89515, 112558, 179030, 225116, 281395, 358060, 562790, 1125580, 2989801, 5979602, 6033311, 11959204, 12066622, 14949005, 24133244, 29898010, 30166555, 59796020, 60333110, 120666220, 1007562937, 2015125874, 4030251748, 5037814685, 10075629370, 20151258740]

約数ペア:

[(1, 20151258740), (2, 10075629370), (4, 5037814685), (5, 4030251748), (10, 2015125874), (20, 1007562937), (167, 120666220), (334, 60333110), (337, 59796020), (668, 30166555), (674, 29898010), (835, 24133244), (1348, 14949005), (1670, 12066622), (1685, 11959204), (3340, 6033311), (3370, 5979602), (6740, 2989801), (17903, 1125580), (35806, 562790), (56279, 358060), (71612, 281395), (89515, 225116), (112558, 179030)]