20797065

素因数分解:

$3^2\times 5^1\times {\mathrm{419}}^1\times {\mathrm{1103}}^1$

素因数の和:1533

約数の個数: 24

約数和(自身を含む): 36167040

約数和(自身を除く): 15369975

約数列:

[1, 3, 5, 9, 15, 45, 419, 1103, 1257, 2095, 3309, 3771, 5515, 6285, 9927, 16545, 18855, 49635, 462157, 1386471, 2310785, 4159413, 6932355, 20797065]

約数ペア:

[(1, 20797065), (3, 6932355), (5, 4159413), (9, 2310785), (15, 1386471), (45, 462157), (419, 49635), (1103, 18855), (1257, 16545), (2095, 9927), (3309, 6285), (3771, 5515)]