20121385317

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{967}}^1\times {\mathrm{1279}}^1$

素因数の和:2306

約数の個数: 64

約数和(自身を含む): 32115916800

約数和(自身を除く): 11994531483

約数列:

[1, 3, 11, 17, 29, 33, 51, 87, 187, 319, 493, 561, 957, 967, 1279, 1479, 2901, 3837, 5423, 10637, 14069, 16269, 16439, 21743, 28043, 31911, 37091, 42207, 49317, 65229, 84129, 111273, 180829, 239173, 308473, 408001, 476731, 542487, 630547, 717519, 925419, 1224003, 1236793, 1430193, 1891641, 3710379, 5244041, 6936017, 13604723, 15732123, 20808051, 21025481, 35866997, 40814169, 63076443, 107600991, 231280291, 394536967, 609738949, 693840873, 1183610901, 1829216847, 6707128439, 20121385317]

約数ペア:

[(1, 20121385317), (3, 6707128439), (11, 1829216847), (17, 1183610901), (29, 693840873), (33, 609738949), (51, 394536967), (87, 231280291), (187, 107600991), (319, 63076443), (493, 40814169), (561, 35866997), (957, 21025481), (967, 20808051), (1279, 15732123), (1479, 13604723), (2901, 6936017), (3837, 5244041), (5423, 3710379), (10637, 1891641), (14069, 1430193), (16269, 1236793), (16439, 1224003), (21743, 925419), (28043, 717519), (31911, 630547), (37091, 542487), (42207, 476731), (49317, 408001), (65229, 308473), (84129, 239173), (111273, 180829)]