20002617845

素因数分解:

$5^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{2311}}^1\times {\mathrm{3691}}^1$

素因数の和:6081

約数の個数: 32

約数和(自身を含む): 27861190656

約数和(自身を除く): 7858572811

約数列:

[1, 5, 7, 35, 67, 335, 469, 2311, 2345, 3691, 11555, 16177, 18455, 25837, 80885, 129185, 154837, 247297, 774185, 1083859, 1236485, 1731079, 5419295, 8529901, 8655395, 42649505, 59709307, 298546535, 571503367, 2857516835, 4000523569, 20002617845]

約数ペア:

[(1, 20002617845), (5, 4000523569), (7, 2857516835), (35, 571503367), (67, 298546535), (335, 59709307), (469, 42649505), (2311, 8655395), (2345, 8529901), (3691, 5419295), (11555, 1731079), (16177, 1236485), (18455, 1083859), (25837, 774185), (80885, 247297), (129185, 154837)]