20687535253

素因数分解:

$7^2\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{373}}^1\times {\mathrm{2393}}^1$

素因数の和:2834

約数の個数: 48

約数和(自身を含む): 26946634176

約数和(自身を除く): 6259098923

約数列:

[1, 7, 11, 43, 49, 77, 301, 373, 473, 539, 2107, 2393, 2611, 3311, 4103, 16039, 16751, 18277, 23177, 26323, 28721, 102899, 112273, 117257, 176429, 184261, 201047, 720293, 785911, 892589, 1131889, 1235003, 1289827, 5042051, 6248123, 7923223, 8645021, 9818479, 38381327, 43736861, 55462561, 68729353, 268669289, 422194597, 481105471, 1880685023, 2955362179, 20687535253]

約数ペア:

[(1, 20687535253), (7, 2955362179), (11, 1880685023), (43, 481105471), (49, 422194597), (77, 268669289), (301, 68729353), (373, 55462561), (473, 43736861), (539, 38381327), (2107, 9818479), (2393, 8645021), (2611, 7923223), (3311, 6248123), (4103, 5042051), (16039, 1289827), (16751, 1235003), (18277, 1131889), (23177, 892589), (26323, 785911), (28721, 720293), (102899, 201047), (112273, 184261), (117257, 176429)]