20349627963

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{97}}^1\times {\mathrm{199}}^1\times {\mathrm{2953}}^1$

素因数の和:3276

約数の個数: 64

約数和(自身を含む): 33349478400

約数和(自身を除く): 12999850437

約数列:

[1, 3, 7, 17, 21, 51, 97, 119, 199, 291, 357, 597, 679, 1393, 1649, 2037, 2953, 3383, 4179, 4947, 8859, 10149, 11543, 19303, 20671, 23681, 34629, 50201, 57909, 62013, 71043, 135121, 150603, 286441, 328151, 351407, 405363, 587647, 859323, 984453, 1054221, 1762941, 2005087, 2297057, 4113529, 4869497, 6015261, 6891171, 9989999, 12340587, 14608491, 29969997, 34086479, 57001759, 69929993, 102259437, 171005277, 209789979, 399012313, 969029903, 1197036939, 2907089709, 6783209321, 20349627963]

約数ペア:

[(1, 20349627963), (3, 6783209321), (7, 2907089709), (17, 1197036939), (21, 969029903), (51, 399012313), (97, 209789979), (119, 171005277), (199, 102259437), (291, 69929993), (357, 57001759), (597, 34086479), (679, 29969997), (1393, 14608491), (1649, 12340587), (2037, 9989999), (2953, 6891171), (3383, 6015261), (4179, 4869497), (4947, 4113529), (8859, 2297057), (10149, 2005087), (11543, 1762941), (19303, 1054221), (20671, 984453), (23681, 859323), (34629, 587647), (50201, 405363), (57909, 351407), (62013, 328151), (71043, 286441), (135121, 150603)]