20238255

素因数分解:

$3^5\times 5^1\times {\mathrm{16657}}^1$

素因数の和:16677

約数の個数: 24

約数和(自身を含む): 36381072

約数和(自身を除く): 16142817

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 243, 405, 1215, 16657, 49971, 83285, 149913, 249855, 449739, 749565, 1349217, 2248695, 4047651, 6746085, 20238255]

約数ペア:

[(1, 20238255), (3, 6746085), (5, 4047651), (9, 2248695), (15, 1349217), (27, 749565), (45, 449739), (81, 249855), (135, 149913), (243, 83285), (405, 49971), (1215, 16657)]