20235555

素因数分解:

$3^3\times 5^1\times {\mathrm{149893}}^1$

素因数の和:149907

約数の個数: 16

約数和(自身を含む): 35974560

約数和(自身を除く): 15739005

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 149893, 449679, 749465, 1349037, 2248395, 4047111, 6745185, 20235555]

約数ペア:

[(1, 20235555), (3, 6745185), (5, 4047111), (9, 2248395), (15, 1349037), (27, 749465), (45, 449679), (135, 149893)]