20519644

素因数分解:

$2^2\times {\mathrm{31}}^1\times {\mathrm{127}}^1\times {\mathrm{1303}}^1$

素因数の和:1465

約数の個数: 24

約数和(自身を含む): 37388288

約数和(自身を除く): 16868644

約数列:

[1, 2, 4, 31, 62, 124, 127, 254, 508, 1303, 2606, 3937, 5212, 7874, 15748, 40393, 80786, 161572, 165481, 330962, 661924, 5129911, 10259822, 20519644]

約数ペア:

[(1, 20519644), (2, 10259822), (4, 5129911), (31, 661924), (62, 330962), (124, 165481), (127, 161572), (254, 80786), (508, 40393), (1303, 15748), (2606, 7874), (3937, 5212)]