20005218

素因数分解:

$2^1\times 3^6\times {\mathrm{13721}}^1$

素因数の和:13741

約数の個数: 28

約数和(自身を含む): 44994438

約数和(自身を除く): 24989220

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 81, 162, 243, 486, 729, 1458, 13721, 27442, 41163, 82326, 123489, 246978, 370467, 740934, 1111401, 2222802, 3334203, 6668406, 10002609, 20005218]

約数ペア:

[(1, 20005218), (2, 10002609), (3, 6668406), (6, 3334203), (9, 2222802), (18, 1111401), (27, 740934), (54, 370467), (81, 246978), (162, 123489), (243, 82326), (486, 41163), (729, 27442), (1458, 13721)]