20468918

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{53}}^1\times {\mathrm{307}}^1$

素因数の和:416

約数の個数: 32

約数和(自身を含む): 34128864

約数和(自身を除く): 13659946

約数列:

[1, 2, 17, 34, 37, 53, 74, 106, 307, 614, 629, 901, 1258, 1802, 1961, 3922, 5219, 10438, 11359, 16271, 22718, 32542, 33337, 66674, 193103, 276607, 386206, 553214, 602027, 1204054, 10234459, 20468918]

約数ペア:

[(1, 20468918), (2, 10234459), (17, 1204054), (34, 602027), (37, 553214), (53, 386206), (74, 276607), (106, 193103), (307, 66674), (614, 33337), (629, 32542), (901, 22718), (1258, 16271), (1802, 11359), (1961, 10438), (3922, 5219)]