202020980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{1443007}}^1$

素因数の和:1443023

約数の個数: 24

約数和(自身を含む): 484850688

約数和(自身を除く): 282829708

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 1443007, 2886014, 5772028, 7215035, 10101049, 14430070, 20202098, 28860140, 40404196, 50505245, 101010490, 202020980]

約数ペア:

[(1, 202020980), (2, 101010490), (4, 50505245), (5, 40404196), (7, 28860140), (10, 20202098), (14, 14430070), (20, 10101049), (28, 7215035), (35, 5772028), (70, 2886014), (140, 1443007)]