205169620

素因数分解:

$2^2\times 5^1\times {\mathrm{863}}^1\times {\mathrm{11887}}^1$

素因数の和:12759

約数の個数: 24

約数和(自身を含む): 431391744

約数和(自身を除く): 226222124

約数列:

[1, 2, 4, 5, 10, 20, 863, 1726, 3452, 4315, 8630, 11887, 17260, 23774, 47548, 59435, 118870, 237740, 10258481, 20516962, 41033924, 51292405, 102584810, 205169620]

約数ペア:

[(1, 205169620), (2, 102584810), (4, 51292405), (5, 41033924), (10, 20516962), (20, 10258481), (863, 237740), (1726, 118870), (3452, 59435), (4315, 47548), (8630, 23774), (11887, 17260)]