20454105

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{83}}^1\times {\mathrm{2347}}^1$

素因数の和:2445

約数の個数: 32

約数和(自身を含む): 37868544

約数和(自身を除く): 17414439

約数列:

[1, 3, 5, 7, 15, 21, 35, 83, 105, 249, 415, 581, 1245, 1743, 2347, 2905, 7041, 8715, 11735, 16429, 35205, 49287, 82145, 194801, 246435, 584403, 974005, 1363607, 2922015, 4090821, 6818035, 20454105]

約数ペア:

[(1, 20454105), (3, 6818035), (5, 4090821), (7, 2922015), (15, 1363607), (21, 974005), (35, 584403), (83, 246435), (105, 194801), (249, 82145), (415, 49287), (581, 35205), (1245, 16429), (1743, 11735), (2347, 8715), (2905, 7041)]