20766345

素因数分解:

$3^1\times 5^1\times {\mathrm{103}}^1\times {\mathrm{13441}}^1$

素因数の和:13552

約数の個数: 16

約数和(自身を含む): 33551232

約数和(自身を除く): 12784887

約数列:

[1, 3, 5, 15, 103, 309, 515, 1545, 13441, 40323, 67205, 201615, 1384423, 4153269, 6922115, 20766345]

約数ペア:

[(1, 20766345), (3, 6922115), (5, 4153269), (15, 1384423), (103, 201615), (309, 67205), (515, 40323), (1545, 13441)]