420545554

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{20143}}^1$

素因数の和:20242

約数の個数: 32

約数和(自身を含む): 751290624

約数和(自身を除く): 330745070

約数列:

[1, 2, 11, 13, 22, 26, 73, 143, 146, 286, 803, 949, 1606, 1898, 10439, 20143, 20878, 40286, 221573, 261859, 443146, 523718, 1470439, 2880449, 2940878, 5760898, 16174829, 19115707, 32349658, 38231414, 210272777, 420545554]

約数ペア:

[(1, 420545554), (2, 210272777), (11, 38231414), (13, 32349658), (22, 19115707), (26, 16174829), (73, 5760898), (143, 2940878), (146, 2880449), (286, 1470439), (803, 523718), (949, 443146), (1606, 261859), (1898, 221573), (10439, 40286), (20143, 20878)]