20217143037

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{79}}^1\times {\mathrm{769}}^1$

素因数の和:947

約数の個数: 128

約数和(自身を含む): 35765452800

約数和(自身を除く): 15548309763

約数列:

[1, 3, 7, 13, 21, 23, 39, 53, 69, 79, 91, 159, 161, 237, 273, 299, 371, 483, 553, 689, 769, 897, 1027, 1113, 1219, 1659, 1817, 2067, 2093, 2307, 3081, 3657, 4187, 4823, 5383, 5451, 6279, 7189, 8533, 9997, 12561, 12719, 14469, 15847, 16149, 17687, 21567, 23621, 25599, 29309, 29991, 38157, 40757, 47541, 53061, 54431, 60751, 69979, 70863, 87927, 96301, 110929, 122271, 123809, 163293, 165347, 182253, 209937, 229931, 285299, 288903, 332787, 371427, 381017, 425257, 496041, 529841, 674107, 689793, 789763, 855897, 937411, 1143051, 1251913, 1275771, 1397273, 1589523, 1609517, 2022321, 2369289, 2812233, 3219803, 3708887, 3755739, 4191819, 4828551, 5528341, 6561877, 8763391, 9659409, 9780911, 11126661, 12186343, 16585023, 18164549, 19685631, 22538621, 26290173, 29342733, 36559029, 41857439, 54493647, 67615863, 74055469, 85304401, 125572317, 127151843, 222166407, 255913203, 293002073, 381455529, 518388283, 879006219, 962721097, 1555164849, 2888163291, 6739047679, 20217143037]

約数ペア:

[(1, 20217143037), (3, 6739047679), (7, 2888163291), (13, 1555164849), (21, 962721097), (23, 879006219), (39, 518388283), (53, 381455529), (69, 293002073), (79, 255913203), (91, 222166407), (159, 127151843), (161, 125572317), (237, 85304401), (273, 74055469), (299, 67615863), (371, 54493647), (483, 41857439), (553, 36559029), (689, 29342733), (769, 26290173), (897, 22538621), (1027, 19685631), (1113, 18164549), (1219, 16585023), (1659, 12186343), (1817, 11126661), (2067, 9780911), (2093, 9659409), (2307, 8763391), (3081, 6561877), (3657, 5528341), (4187, 4828551), (4823, 4191819), (5383, 3755739), (5451, 3708887), (6279, 3219803), (7189, 2812233), (8533, 2369289), (9997, 2022321), (12561, 1609517), (12719, 1589523), (14469, 1397273), (15847, 1275771), (16149, 1251913), (17687, 1143051), (21567, 937411), (23621, 855897), (25599, 789763), (29309, 689793), (29991, 674107), (38157, 529841), (40757, 496041), (47541, 425257), (53061, 381017), (54431, 371427), (60751, 332787), (69979, 288903), (70863, 285299), (87927, 229931), (96301, 209937), (110929, 182253), (122271, 165347), (123809, 163293)]