20170520912

素因数分解:

$2^4\times {\mathrm{1213}}^1\times {\mathrm{1039289}}^1$

素因数の和:1040510

約数の個数: 20

約数和(自身を含む): 39112639860

約数和(自身を除く): 18942118948

約数列:

[1, 2, 4, 8, 16, 1213, 2426, 4852, 9704, 19408, 1039289, 2078578, 4157156, 8314312, 16628624, 1260657557, 2521315114, 5042630228, 10085260456, 20170520912]

約数ペア:

[(1, 20170520912), (2, 10085260456), (4, 5042630228), (8, 2521315114), (16, 1260657557), (1213, 16628624), (2426, 8314312), (4852, 4157156), (9704, 2078578), (19408, 1039289)]