20163715187

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{264779}}^1$

素因数の和:264863

約数の個数: 32

約数和(自身を含む): 26842337280

約数和(自身を除く): 6678622093

約数列:

[1, 7, 11, 23, 43, 77, 161, 253, 301, 473, 989, 1771, 3311, 6923, 10879, 76153, 264779, 1853453, 2912569, 6089917, 11385497, 20387983, 42629419, 66989087, 79698479, 125240467, 261866431, 468923609, 876683269, 1833065017, 2880530741, 20163715187]

約数ペア:

[(1, 20163715187), (7, 2880530741), (11, 1833065017), (23, 876683269), (43, 468923609), (77, 261866431), (161, 125240467), (253, 79698479), (301, 66989087), (473, 42629419), (989, 20387983), (1771, 11385497), (3311, 6089917), (6923, 2912569), (10879, 1853453), (76153, 264779)]