20249236

素因数分解:

$2^2\times 7^1\times {\mathrm{197}}^1\times {\mathrm{3671}}^1$

素因数の和:3879

約数の個数: 24

約数和(自身を含む): 40715136

約数和(自身を除く): 20465900

約数列:

[1, 2, 4, 7, 14, 28, 197, 394, 788, 1379, 2758, 3671, 5516, 7342, 14684, 25697, 51394, 102788, 723187, 1446374, 2892748, 5062309, 10124618, 20249236]

約数ペア:

[(1, 20249236), (2, 10124618), (4, 5062309), (7, 2892748), (14, 1446374), (28, 723187), (197, 102788), (394, 51394), (788, 25697), (1379, 14684), (2758, 7342), (3671, 5516)]