20390608

素因数分解:

$2^4\times 7^1\times {\mathrm{182059}}^1$

素因数の和:182074

約数の個数: 20

約数和(自身を含む): 45150880

約数和(自身を除く): 24760272

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 182059, 364118, 728236, 1274413, 1456472, 2548826, 2912944, 5097652, 10195304, 20390608]

約数ペア:

[(1, 20390608), (2, 10195304), (4, 5097652), (7, 2912944), (8, 2548826), (14, 1456472), (16, 1274413), (28, 728236), (56, 364118), (112, 182059)]