20165679008

素因数分解:

$2^5\times {\mathrm{71}}^1\times {\mathrm{8875739}}^1$

素因数の和:8875820

約数の個数: 24

約数和(自身を含む): 40260356640

約数和(自身を除く): 20094677632

約数列:

[1, 2, 4, 8, 16, 32, 71, 142, 284, 568, 1136, 2272, 8875739, 17751478, 35502956, 71005912, 142011824, 284023648, 630177469, 1260354938, 2520709876, 5041419752, 10082839504, 20165679008]

約数ペア:

[(1, 20165679008), (2, 10082839504), (4, 5041419752), (8, 2520709876), (16, 1260354938), (32, 630177469), (71, 284023648), (142, 142011824), (284, 71005912), (568, 35502956), (1136, 17751478), (2272, 8875739)]