20128635

素因数分解:

$3^3\times 5^1\times {\mathrm{149101}}^1$

素因数の和:149115

約数の個数: 16

約数和(自身を含む): 35784480

約数和(自身を除く): 15655845

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 149101, 447303, 745505, 1341909, 2236515, 4025727, 6709545, 20128635]

約数ペア:

[(1, 20128635), (3, 6709545), (5, 4025727), (9, 2236515), (15, 1341909), (27, 745505), (45, 447303), (135, 149101)]