20691230

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{42227}}^1$

素因数の和:42248

約数の個数: 24

約数和(自身を含む): 43325928

約数和(自身を除く): 22634698

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 490, 42227, 84454, 211135, 295589, 422270, 591178, 1477945, 2069123, 2955890, 4138246, 10345615, 20691230]

約数ペア:

[(1, 20691230), (2, 10345615), (5, 4138246), (7, 2955890), (10, 2069123), (14, 1477945), (35, 591178), (49, 422270), (70, 295589), (98, 211135), (245, 84454), (490, 42227)]