20865712

素因数分解:

$2^4\times 7^1\times {\mathrm{186301}}^1$

素因数の和:186316

約数の個数: 20

約数和(自身を含む): 46202896

約数和(自身を除く): 25337184

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 186301, 372602, 745204, 1304107, 1490408, 2608214, 2980816, 5216428, 10432856, 20865712]

約数ペア:

[(1, 20865712), (2, 10432856), (4, 5216428), (7, 2980816), (8, 2608214), (14, 1490408), (16, 1304107), (28, 745204), (56, 372602), (112, 186301)]