20689852005

素因数分解:

$3^3\times 5^1\times {\mathrm{153258163}}^1$

素因数の和:153258177

約数の個数: 16

約数和(自身を含む): 36781959360

約数和(自身を除く): 16092107355

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 153258163, 459774489, 766290815, 1379323467, 2298872445, 4137970401, 6896617335, 20689852005]

約数ペア:

[(1, 20689852005), (3, 6896617335), (5, 4137970401), (9, 2298872445), (15, 1379323467), (27, 766290815), (45, 459774489), (135, 153258163)]