20900635

素因数分解:

$5^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{7559}}^1$

素因数の和:7650

約数の個数: 16

約数和(自身を含む): 29030400

約数和(自身を除く): 8129765

約数列:

[1, 5, 7, 35, 79, 395, 553, 2765, 7559, 37795, 52913, 264565, 597161, 2985805, 4180127, 20900635]

約数ペア:

[(1, 20900635), (5, 4180127), (7, 2985805), (35, 597161), (79, 264565), (395, 52913), (553, 37795), (2765, 7559)]