20861008

素因数分解:

$2^4\times 7^1\times {\mathrm{186259}}^1$

素因数の和:186274

約数の個数: 20

約数和(自身を含む): 46192480

約数和(自身を除く): 25331472

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 186259, 372518, 745036, 1303813, 1490072, 2607626, 2980144, 5215252, 10430504, 20861008]

約数ペア:

[(1, 20861008), (2, 10430504), (4, 5215252), (7, 2980144), (8, 2607626), (14, 1490072), (16, 1303813), (28, 745036), (56, 372518), (112, 186259)]