20384872

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{3271}}^1$

素因数の和:3337

約数の個数: 32

約数和(自身を含む): 41227200

約数和(自身を除く): 20842328

約数列:

[1, 2, 4, 8, 19, 38, 41, 76, 82, 152, 164, 328, 779, 1558, 3116, 3271, 6232, 6542, 13084, 26168, 62149, 124298, 134111, 248596, 268222, 497192, 536444, 1072888, 2548109, 5096218, 10192436, 20384872]

約数ペア:

[(1, 20384872), (2, 10192436), (4, 5096218), (8, 2548109), (19, 1072888), (38, 536444), (41, 497192), (76, 268222), (82, 248596), (152, 134111), (164, 124298), (328, 62149), (779, 26168), (1558, 13084), (3116, 6542), (3271, 6232)]