20156623780

素因数分解:

$2^2\times 5^1\times {\mathrm{337}}^1\times {\mathrm{977}}^1\times {\mathrm{3061}}^1$

素因数の和:4384

約数の個数: 48

約数和(自身を含む): 42511852656

約数和(自身を除く): 22355228876

約数列:

[1, 2, 4, 5, 10, 20, 337, 674, 977, 1348, 1685, 1954, 3061, 3370, 3908, 4885, 6122, 6740, 9770, 12244, 15305, 19540, 30610, 61220, 329249, 658498, 1031557, 1316996, 1646245, 2063114, 2990597, 3292490, 4126228, 5157785, 5981194, 6584980, 10315570, 11962388, 14952985, 20631140, 29905970, 59811940, 1007831189, 2015662378, 4031324756, 5039155945, 10078311890, 20156623780]

約数ペア:

[(1, 20156623780), (2, 10078311890), (4, 5039155945), (5, 4031324756), (10, 2015662378), (20, 1007831189), (337, 59811940), (674, 29905970), (977, 20631140), (1348, 14952985), (1685, 11962388), (1954, 10315570), (3061, 6584980), (3370, 5981194), (3908, 5157785), (4885, 4126228), (6122, 3292490), (6740, 2990597), (9770, 2063114), (12244, 1646245), (15305, 1316996), (19540, 1031557), (30610, 658498), (61220, 329249)]