20168964914

素因数分解:

$2^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{137}}^1\times {\mathrm{457201}}^1$

素因数の和:457370

約数の個数: 32

約数和(自身を含む): 36342072576

約数和(自身を除く): 16173107662

約数列:

[1, 2, 7, 14, 23, 46, 137, 161, 274, 322, 959, 1918, 3151, 6302, 22057, 44114, 457201, 914402, 3200407, 6400814, 10515623, 21031246, 62636537, 73609361, 125273074, 147218722, 438455759, 876911518, 1440640351, 2881280702, 10084482457, 20168964914]

約数ペア:

[(1, 20168964914), (2, 10084482457), (7, 2881280702), (14, 1440640351), (23, 876911518), (46, 438455759), (137, 147218722), (161, 125273074), (274, 73609361), (322, 62636537), (959, 21031246), (1918, 10515623), (3151, 6400814), (6302, 3200407), (22057, 914402), (44114, 457201)]