20280447

素因数分解:

$3^2\times {\mathrm{11}}^3\times {\mathrm{1693}}^1$

素因数の和:1732

約数の個数: 24

約数和(自身を含む): 32240208

約数和(自身を除く): 11959761

約数列:

[1, 3, 9, 11, 33, 99, 121, 363, 1089, 1331, 1693, 3993, 5079, 11979, 15237, 18623, 55869, 167607, 204853, 614559, 1843677, 2253383, 6760149, 20280447]

約数ペア:

[(1, 20280447), (3, 6760149), (9, 2253383), (11, 1843677), (33, 614559), (99, 204853), (121, 167607), (363, 55869), (1089, 18623), (1331, 15237), (1693, 11979), (3993, 5079)]