20172847168

素因数分解:

$2^6\times {\mathrm{71}}^1\times {\mathrm{4439447}}^1$

素因数の和:4439530

約数の個数: 28

約数和(自身を含む): 40594312512

約数和(自身を除く): 20421465344

約数列:

[1, 2, 4, 8, 16, 32, 64, 71, 142, 284, 568, 1136, 2272, 4544, 4439447, 8878894, 17757788, 35515576, 71031152, 142062304, 284124608, 315200737, 630401474, 1260802948, 2521605896, 5043211792, 10086423584, 20172847168]

約数ペア:

[(1, 20172847168), (2, 10086423584), (4, 5043211792), (8, 2521605896), (16, 1260802948), (32, 630401474), (64, 315200737), (71, 284124608), (142, 142062304), (284, 71031152), (568, 35515576), (1136, 17757788), (2272, 8878894), (4544, 4439447)]