20516904

素因数分解:

$2^3\times 3^2\times {\mathrm{284957}}^1$

素因数の和:284969

約数の個数: 24

約数和(自身を含む): 55566810

約数和(自身を除く): 35049906

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 284957, 569914, 854871, 1139828, 1709742, 2279656, 2564613, 3419484, 5129226, 6838968, 10258452, 20516904]

約数ペア:

[(1, 20516904), (2, 10258452), (3, 6838968), (4, 5129226), (6, 3419484), (8, 2564613), (9, 2279656), (12, 1709742), (18, 1139828), (24, 854871), (36, 569914), (72, 284957)]