20795480

素因数分解:

$2^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{14051}}^1$

素因数の和:14099

約数の個数: 32

約数和(自身を含む): 48057840

約数和(自身を除く): 27262360

約数列:

[1, 2, 4, 5, 8, 10, 20, 37, 40, 74, 148, 185, 296, 370, 740, 1480, 14051, 28102, 56204, 70255, 112408, 140510, 281020, 519887, 562040, 1039774, 2079548, 2599435, 4159096, 5198870, 10397740, 20795480]

約数ペア:

[(1, 20795480), (2, 10397740), (4, 5198870), (5, 4159096), (8, 2599435), (10, 2079548), (20, 1039774), (37, 562040), (40, 519887), (74, 281020), (148, 140510), (185, 112408), (296, 70255), (370, 56204), (740, 28102), (1480, 14051)]