20178247664

素因数分解:

$2^4\times {\mathrm{10607}}^1\times {\mathrm{118897}}^1$

素因数の和:129512

約数の個数: 20

約数和(自身を含む): 39099369504

約数和(自身を除く): 18921121840

約数列:

[1, 2, 4, 8, 16, 10607, 21214, 42428, 84856, 118897, 169712, 237794, 475588, 951176, 1902352, 1261140479, 2522280958, 5044561916, 10089123832, 20178247664]

約数ペア:

[(1, 20178247664), (2, 10089123832), (4, 5044561916), (8, 2522280958), (16, 1261140479), (10607, 1902352), (21214, 951176), (42428, 475588), (84856, 237794), (118897, 169712)]