20800185

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{198097}}^1$

素因数の和:198112

約数の個数: 16

約数和(自身を含む): 38034816

約数和(自身を除く): 17234631

約数列:

[1, 3, 5, 7, 15, 21, 35, 105, 198097, 594291, 990485, 1386679, 2971455, 4160037, 6933395, 20800185]

約数ペア:

[(1, 20800185), (3, 6933395), (5, 4160037), (7, 2971455), (15, 1386679), (21, 990485), (35, 594291), (105, 198097)]