20051145

素因数分解:

$3^6\times 5^1\times {\mathrm{5501}}^1$

素因数の和:5524

約数の個数: 28

約数和(自身を含む): 36082116

約数和(自身を除く): 16030971

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 243, 405, 729, 1215, 3645, 5501, 16503, 27505, 49509, 82515, 148527, 247545, 445581, 742635, 1336743, 2227905, 4010229, 6683715, 20051145]

約数ペア:

[(1, 20051145), (3, 6683715), (5, 4010229), (9, 2227905), (15, 1336743), (27, 742635), (45, 445581), (81, 247545), (135, 148527), (243, 82515), (405, 49509), (729, 27505), (1215, 16503), (3645, 5501)]