20156819028

素因数分解:

$2^2\times 3^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{211}}^1\times {\mathrm{18217}}^1$

素因数の和:18477

約数の個数: 96

約数和(自身を含む): 51908183040

約数和(自身を除く): 31751364012

約数列:

[1, 2, 3, 4, 6, 12, 19, 23, 38, 46, 57, 69, 76, 92, 114, 138, 211, 228, 276, 422, 437, 633, 844, 874, 1266, 1311, 1748, 2532, 2622, 4009, 4853, 5244, 8018, 9706, 12027, 14559, 16036, 18217, 19412, 24054, 29118, 36434, 48108, 54651, 58236, 72868, 92207, 109302, 184414, 218604, 276621, 346123, 368828, 418991, 553242, 692246, 837982, 1038369, 1106484, 1256973, 1384492, 1675964, 2076738, 2513946, 3843787, 4153476, 5027892, 7687574, 7960829, 11531361, 15375148, 15921658, 23062722, 23882487, 31843316, 46125444, 47764974, 73031953, 88407101, 95529948, 146063906, 176814202, 219095859, 265221303, 292127812, 353628404, 438191718, 530442606, 876383436, 1060885212, 1679734919, 3359469838, 5039204757, 6718939676, 10078409514, 20156819028]

約数ペア:

[(1, 20156819028), (2, 10078409514), (3, 6718939676), (4, 5039204757), (6, 3359469838), (12, 1679734919), (19, 1060885212), (23, 876383436), (38, 530442606), (46, 438191718), (57, 353628404), (69, 292127812), (76, 265221303), (92, 219095859), (114, 176814202), (138, 146063906), (211, 95529948), (228, 88407101), (276, 73031953), (422, 47764974), (437, 46125444), (633, 31843316), (844, 23882487), (874, 23062722), (1266, 15921658), (1311, 15375148), (1748, 11531361), (2532, 7960829), (2622, 7687574), (4009, 5027892), (4853, 4153476), (5244, 3843787), (8018, 2513946), (9706, 2076738), (12027, 1675964), (14559, 1384492), (16036, 1256973), (18217, 1106484), (19412, 1038369), (24054, 837982), (29118, 692246), (36434, 553242), (48108, 418991), (54651, 368828), (58236, 346123), (72868, 276621), (92207, 218604), (109302, 184414)]