20551538

素因数分解:

$2^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{86351}}^1$

素因数の和:86377

約数の個数: 16

約数和(自身を含む): 37304064

約数和(自身を除く): 16752526

約数列:

[1, 2, 7, 14, 17, 34, 119, 238, 86351, 172702, 604457, 1208914, 1467967, 2935934, 10275769, 20551538]

約数ペア:

[(1, 20551538), (2, 10275769), (7, 2935934), (14, 1467967), (17, 1208914), (34, 604457), (119, 172702), (238, 86351)]