20789622

素因数分解:

$2^1\times 3^7\times 7^2\times {\mathrm{97}}^1$

素因数の和:134

約数の個数: 96

約数和(自身を含む): 54966240

約数和(自身を除く): 34176618

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 49, 54, 63, 81, 97, 98, 126, 147, 162, 189, 194, 243, 291, 294, 378, 441, 486, 567, 582, 679, 729, 873, 882, 1134, 1323, 1358, 1458, 1701, 1746, 2037, 2187, 2619, 2646, 3402, 3969, 4074, 4374, 4753, 5103, 5238, 6111, 7857, 7938, 9506, 10206, 11907, 12222, 14259, 15309, 15714, 18333, 23571, 23814, 28518, 30618, 35721, 36666, 42777, 47142, 54999, 70713, 71442, 85554, 107163, 109998, 128331, 141426, 164997, 212139, 214326, 256662, 329994, 384993, 424278, 494991, 769986, 989982, 1154979, 1484973, 2309958, 2969946, 3464937, 6929874, 10394811, 20789622]

約数ペア:

[(1, 20789622), (2, 10394811), (3, 6929874), (6, 3464937), (7, 2969946), (9, 2309958), (14, 1484973), (18, 1154979), (21, 989982), (27, 769986), (42, 494991), (49, 424278), (54, 384993), (63, 329994), (81, 256662), (97, 214326), (98, 212139), (126, 164997), (147, 141426), (162, 128331), (189, 109998), (194, 107163), (243, 85554), (291, 71442), (294, 70713), (378, 54999), (441, 47142), (486, 42777), (567, 36666), (582, 35721), (679, 30618), (729, 28518), (873, 23814), (882, 23571), (1134, 18333), (1323, 15714), (1358, 15309), (1458, 14259), (1701, 12222), (1746, 11907), (2037, 10206), (2187, 9506), (2619, 7938), (2646, 7857), (3402, 6111), (3969, 5238), (4074, 5103), (4374, 4753)]