20090889

素因数分解:

$3^3\times 7^1\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{37}}^1$

素因数の和:96

約数の個数: 96

約数和(自身を含む): 40055040

約数和(自身を除く): 19964151

約数列:

[1, 3, 7, 9, 13, 17, 21, 27, 37, 39, 51, 63, 91, 111, 117, 119, 153, 169, 189, 221, 259, 273, 333, 351, 357, 459, 481, 507, 629, 663, 777, 819, 999, 1071, 1183, 1443, 1521, 1547, 1887, 1989, 2331, 2457, 2873, 3213, 3367, 3549, 4329, 4403, 4563, 4641, 5661, 5967, 6253, 6993, 8177, 8619, 10101, 10647, 12987, 13209, 13923, 16983, 18759, 20111, 24531, 25857, 30303, 31941, 39627, 41769, 43771, 56277, 57239, 60333, 73593, 77571, 90909, 106301, 118881, 131313, 168831, 171717, 180999, 220779, 318903, 393939, 515151, 542997, 744107, 956709, 1181817, 1545453, 2232321, 2870127, 6696963, 20090889]

約数ペア:

[(1, 20090889), (3, 6696963), (7, 2870127), (9, 2232321), (13, 1545453), (17, 1181817), (21, 956709), (27, 744107), (37, 542997), (39, 515151), (51, 393939), (63, 318903), (91, 220779), (111, 180999), (117, 171717), (119, 168831), (153, 131313), (169, 118881), (189, 106301), (221, 90909), (259, 77571), (273, 73593), (333, 60333), (351, 57239), (357, 56277), (459, 43771), (481, 41769), (507, 39627), (629, 31941), (663, 30303), (777, 25857), (819, 24531), (999, 20111), (1071, 18759), (1183, 16983), (1443, 13923), (1521, 13209), (1547, 12987), (1887, 10647), (1989, 10101), (2331, 8619), (2457, 8177), (2873, 6993), (3213, 6253), (3367, 5967), (3549, 5661), (4329, 4641), (4403, 4563)]