20808486

素因数分解:

$2^1\times 3^2\times {\mathrm{29}}^1\times {\mathrm{39863}}^1$

素因数の和:39900

約数の個数: 24

約数和(自身を含む): 46640880

約数和(自身を除く): 25832394

約数列:

[1, 2, 3, 6, 9, 18, 29, 58, 87, 174, 261, 522, 39863, 79726, 119589, 239178, 358767, 717534, 1156027, 2312054, 3468081, 6936162, 10404243, 20808486]

約数ペア:

[(1, 20808486), (2, 10404243), (3, 6936162), (6, 3468081), (9, 2312054), (18, 1156027), (29, 717534), (58, 358767), (87, 239178), (174, 119589), (261, 79726), (522, 39863)]