20498032

素因数分解:

$2^4\times {\mathrm{41}}^1\times {\mathrm{31247}}^1$

素因数の和:31296

約数の個数: 20

約数和(自身を含む): 40684896

約数和(自身を除く): 20186864

約数列:

[1, 2, 4, 8, 16, 41, 82, 164, 328, 656, 31247, 62494, 124988, 249976, 499952, 1281127, 2562254, 5124508, 10249016, 20498032]

約数ペア:

[(1, 20498032), (2, 10249016), (4, 5124508), (8, 2562254), (16, 1281127), (41, 499952), (82, 249976), (164, 124988), (328, 62494), (656, 31247)]