20189372

素因数分解:

$2^2\times 7^2\times {\mathrm{103007}}^1$

素因数の和:103025

約数の個数: 18

約数和(自身を含む): 41100192

約数和(自身を除く): 20910820

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 103007, 206014, 412028, 721049, 1442098, 2884196, 5047343, 10094686, 20189372]

約数ペア:

[(1, 20189372), (2, 10094686), (4, 5047343), (7, 2884196), (14, 1442098), (28, 721049), (49, 412028), (98, 206014), (196, 103007)]