20626942

素因数分解:

$2^1\times 7^2\times {\mathrm{109}}^1\times {\mathrm{1931}}^1$

素因数の和:2056

約数の個数: 24

約数和(自身を含む): 36340920

約数和(自身を除く): 15713978

約数列:

[1, 2, 7, 14, 49, 98, 109, 218, 763, 1526, 1931, 3862, 5341, 10682, 13517, 27034, 94619, 189238, 210479, 420958, 1473353, 2946706, 10313471, 20626942]

約数ペア:

[(1, 20626942), (2, 10313471), (7, 2946706), (14, 1473353), (49, 420958), (98, 210479), (109, 189238), (218, 94619), (763, 27034), (1526, 13517), (1931, 10682), (3862, 5341)]