20620762428

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{245485267}}^1$

素因数の和:245485281

約数の個数: 24

約数和(自身を含む): 54988700032

約数和(自身を除く): 34367937604

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 245485267, 490970534, 736455801, 981941068, 1472911602, 1718396869, 2945823204, 3436793738, 5155190607, 6873587476, 10310381214, 20620762428]

約数ペア:

[(1, 20620762428), (2, 10310381214), (3, 6873587476), (4, 5155190607), (6, 3436793738), (7, 2945823204), (12, 1718396869), (14, 1472911602), (21, 981941068), (28, 736455801), (42, 490970534), (84, 245485267)]