199928060

素因数分解:

$2^2\times 5^1\times {\mathrm{911}}^1\times {\mathrm{10973}}^1$

素因数の和:11893

約数の個数: 24

約数和(自身を含む): 420348096

約数和(自身を除く): 220420036

約数列:

[1, 2, 4, 5, 10, 20, 911, 1822, 3644, 4555, 9110, 10973, 18220, 21946, 43892, 54865, 109730, 219460, 9996403, 19992806, 39985612, 49982015, 99964030, 199928060]

約数ペア:

[(1, 199928060), (2, 99964030), (4, 49982015), (5, 39985612), (10, 19992806), (20, 9996403), (911, 219460), (1822, 109730), (3644, 54865), (4555, 43892), (9110, 21946), (10973, 18220)]