20540808

素因数分解:

$2^3\times 3^2\times {\mathrm{285289}}^1$

素因数の和:285301

約数の個数: 24

約数和(自身を含む): 55631550

約数和(自身を除く): 35090742

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 285289, 570578, 855867, 1141156, 1711734, 2282312, 2567601, 3423468, 5135202, 6846936, 10270404, 20540808]

約数ペア:

[(1, 20540808), (2, 10270404), (3, 6846936), (4, 5135202), (6, 3423468), (8, 2567601), (9, 2282312), (12, 1711734), (18, 1141156), (24, 855867), (36, 570578), (72, 285289)]