20013604

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{241}}^1\times {\mathrm{1597}}^1$

素因数の和:1855

約数の個数: 24

約数和(自身を含む): 37898168

約数和(自身を除く): 17884564

約数列:

[1, 2, 4, 13, 26, 52, 241, 482, 964, 1597, 3133, 3194, 6266, 6388, 12532, 20761, 41522, 83044, 384877, 769754, 1539508, 5003401, 10006802, 20013604]

約数ペア:

[(1, 20013604), (2, 10006802), (4, 5003401), (13, 1539508), (26, 769754), (52, 384877), (241, 83044), (482, 41522), (964, 20761), (1597, 12532), (3133, 6388), (3194, 6266)]