20490946

素因数分解:

$2^1\times 7^1\times {\mathrm{659}}^1\times {\mathrm{2221}}^1$

素因数の和:2889

約数の個数: 16

約数和(自身を含む): 35196480

約数和(自身を除く): 14705534

約数列:

[1, 2, 7, 14, 659, 1318, 2221, 4442, 4613, 9226, 15547, 31094, 1463639, 2927278, 10245473, 20490946]

約数ペア:

[(1, 20490946), (2, 10245473), (7, 2927278), (14, 1463639), (659, 31094), (1318, 15547), (2221, 9226), (4442, 4613)]