20318396

素因数分解:

$2^2\times 7^1\times {\mathrm{97}}^1\times {\mathrm{7481}}^1$

素因数の和:7589

約数の個数: 24

約数和(自身を含む): 41061216

約数和(自身を除く): 20742820

約数列:

[1, 2, 4, 7, 14, 28, 97, 194, 388, 679, 1358, 2716, 7481, 14962, 29924, 52367, 104734, 209468, 725657, 1451314, 2902628, 5079599, 10159198, 20318396]

約数ペア:

[(1, 20318396), (2, 10159198), (4, 5079599), (7, 2902628), (14, 1451314), (28, 725657), (97, 209468), (194, 104734), (388, 52367), (679, 29924), (1358, 14962), (2716, 7481)]