20309608

素因数分解:

$2^3\times {\mathrm{11}}^2\times {\mathrm{20981}}^1$

素因数の和:21009

約数の個数: 24

約数和(自身を含む): 41859090

約数和(自身を除く): 21549482

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 121, 242, 484, 968, 20981, 41962, 83924, 167848, 230791, 461582, 923164, 1846328, 2538701, 5077402, 10154804, 20309608]

約数ペア:

[(1, 20309608), (2, 10154804), (4, 5077402), (8, 2538701), (11, 1846328), (22, 923164), (44, 461582), (88, 230791), (121, 167848), (242, 83924), (484, 41962), (968, 20981)]