20172860140

素因数分解:

$2^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{12767633}}^1$

素因数の和:12767721

約数の個数: 24

約数和(自身を含む): 42899250240

約数和(自身を除く): 22726390100

約数列:

[1, 2, 4, 5, 10, 20, 79, 158, 316, 395, 790, 1580, 12767633, 25535266, 51070532, 63838165, 127676330, 255352660, 1008643007, 2017286014, 4034572028, 5043215035, 10086430070, 20172860140]

約数ペア:

[(1, 20172860140), (2, 10086430070), (4, 5043215035), (5, 4034572028), (10, 2017286014), (20, 1008643007), (79, 255352660), (158, 127676330), (316, 63838165), (395, 51070532), (790, 25535266), (1580, 12767633)]