20649654

素因数分解:

$2^1\times 3^7\times {\mathrm{4721}}^1$

素因数の和:4744

約数の個数: 32

約数和(自身を含む): 46464480

約数和(自身を除く): 25814826

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 81, 162, 243, 486, 729, 1458, 2187, 4374, 4721, 9442, 14163, 28326, 42489, 84978, 127467, 254934, 382401, 764802, 1147203, 2294406, 3441609, 6883218, 10324827, 20649654]

約数ペア:

[(1, 20649654), (2, 10324827), (3, 6883218), (6, 3441609), (9, 2294406), (18, 1147203), (27, 764802), (54, 382401), (81, 254934), (162, 127467), (243, 84978), (486, 42489), (729, 28326), (1458, 14163), (2187, 9442), (4374, 4721)]