20941616

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{42221}}^1$

素因数の和:42260

約数の個数: 20

約数和(自身を含む): 41884224

約数和(自身を除く): 20942608

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 248, 496, 42221, 84442, 168884, 337768, 675536, 1308851, 2617702, 5235404, 10470808, 20941616]

約数ペア:

[(1, 20941616), (2, 10470808), (4, 5235404), (8, 2617702), (16, 1308851), (31, 675536), (62, 337768), (124, 168884), (248, 84442), (496, 42221)]