20385788

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{349}}^1\times {\mathrm{859}}^1$

素因数の和:1229

約数の個数: 24

約数和(自身を含む): 37926000

約数和(自身を除く): 17540212

約数列:

[1, 2, 4, 17, 34, 68, 349, 698, 859, 1396, 1718, 3436, 5933, 11866, 14603, 23732, 29206, 58412, 299791, 599582, 1199164, 5096447, 10192894, 20385788]

約数ペア:

[(1, 20385788), (2, 10192894), (4, 5096447), (17, 1199164), (34, 599582), (68, 299791), (349, 58412), (698, 29206), (859, 23732), (1396, 14603), (1718, 11866), (3436, 5933)]