2020887

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{137}}^1\times {\mathrm{149}}^1$

素因数の和:303

約数の個数: 24

約数和(自身を含む): 3229200

約数和(自身を除く): 1208313

約数列:

[1, 3, 9, 11, 33, 99, 137, 149, 411, 447, 1233, 1341, 1507, 1639, 4521, 4917, 13563, 14751, 20413, 61239, 183717, 224543, 673629, 2020887]

約数ペア:

[(1, 2020887), (3, 673629), (9, 224543), (11, 183717), (33, 61239), (99, 20413), (137, 14751), (149, 13563), (411, 4917), (447, 4521), (1233, 1639), (1341, 1507)]