20218088878

素因数分解:

$2^1\times {\mathrm{13}}^2\times {\mathrm{2851}}^1\times {\mathrm{20981}}^1$

素因数の和:23860

約数の個数: 24

約数和(自身を含む): 32852524536

約数和(自身を除く): 12634435658

約数列:

[1, 2, 13, 26, 169, 338, 2851, 5702, 20981, 37063, 41962, 74126, 272753, 481819, 545506, 963638, 3545789, 7091578, 59816831, 119633662, 777618803, 1555237606, 10109044439, 20218088878]

約数ペア:

[(1, 20218088878), (2, 10109044439), (13, 1555237606), (26, 777618803), (169, 119633662), (338, 59816831), (2851, 7091578), (5702, 3545789), (20981, 963638), (37063, 545506), (41962, 481819), (74126, 272753)]