20785670961

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{109}}^1\times {\mathrm{193}}^1\times {\mathrm{379}}^1$

素因数の和:774

約数の個数: 64

約数和(自身を含む): 31139328000

約数和(自身を除く): 10353657039

約数列:

[1, 3, 11, 33, 79, 109, 193, 237, 327, 379, 579, 869, 1137, 1199, 2123, 2607, 3597, 4169, 6369, 8611, 12507, 15247, 21037, 25833, 29941, 41311, 45741, 63111, 73147, 89823, 94721, 123933, 167717, 219441, 231407, 284163, 329351, 454421, 503151, 694221, 804617, 988053, 1363263, 1661923, 2413851, 3263569, 4985769, 5778613, 7973023, 9790707, 17335839, 18281153, 23919069, 35899259, 54843459, 63564743, 87703253, 107697777, 190694229, 263109759, 629868817, 1889606451, 6928556987, 20785670961]

約数ペア:

[(1, 20785670961), (3, 6928556987), (11, 1889606451), (33, 629868817), (79, 263109759), (109, 190694229), (193, 107697777), (237, 87703253), (327, 63564743), (379, 54843459), (579, 35899259), (869, 23919069), (1137, 18281153), (1199, 17335839), (2123, 9790707), (2607, 7973023), (3597, 5778613), (4169, 4985769), (6369, 3263569), (8611, 2413851), (12507, 1661923), (15247, 1363263), (21037, 988053), (25833, 804617), (29941, 694221), (41311, 503151), (45741, 454421), (63111, 329351), (73147, 284163), (89823, 231407), (94721, 219441), (123933, 167717)]