20460284

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{257}}^1\times {\mathrm{1531}}^1$

素因数の和:1805

約数の個数: 24

約数和(自身を含む): 38735088

約数和(自身を除く): 18274804

約数列:

[1, 2, 4, 13, 26, 52, 257, 514, 1028, 1531, 3062, 3341, 6124, 6682, 13364, 19903, 39806, 79612, 393467, 786934, 1573868, 5115071, 10230142, 20460284]

約数ペア:

[(1, 20460284), (2, 10230142), (4, 5115071), (13, 1573868), (26, 786934), (52, 393467), (257, 79612), (514, 39806), (1028, 19903), (1531, 13364), (3062, 6682), (3341, 6124)]