20056778

素因数分解:

$2^1\times 7^2\times {\mathrm{103}}^1\times {\mathrm{1987}}^1$

素因数の和:2106

約数の個数: 24

約数和(自身を含む): 35354592

約数和(自身を除く): 15297814

約数列:

[1, 2, 7, 14, 49, 98, 103, 206, 721, 1442, 1987, 3974, 5047, 10094, 13909, 27818, 97363, 194726, 204661, 409322, 1432627, 2865254, 10028389, 20056778]

約数ペア:

[(1, 20056778), (2, 10028389), (7, 2865254), (14, 1432627), (49, 409322), (98, 204661), (103, 194726), (206, 97363), (721, 27818), (1442, 13909), (1987, 10094), (3974, 5047)]