20472984

素因数分解:

$2^3\times 3^2\times 7^3\times {\mathrm{829}}^1$

素因数の和:862

約数の個数: 96

約数和(自身を含む): 64740000

約数和(自身を除く): 44267016

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 21, 24, 28, 36, 42, 49, 56, 63, 72, 84, 98, 126, 147, 168, 196, 252, 294, 343, 392, 441, 504, 588, 686, 829, 882, 1029, 1176, 1372, 1658, 1764, 2058, 2487, 2744, 3087, 3316, 3528, 4116, 4974, 5803, 6174, 6632, 7461, 8232, 9948, 11606, 12348, 14922, 17409, 19896, 23212, 24696, 29844, 34818, 40621, 46424, 52227, 59688, 69636, 81242, 104454, 121863, 139272, 162484, 208908, 243726, 284347, 324968, 365589, 417816, 487452, 568694, 731178, 853041, 974904, 1137388, 1462356, 1706082, 2274776, 2559123, 2924712, 3412164, 5118246, 6824328, 10236492, 20472984]

約数ペア:

[(1, 20472984), (2, 10236492), (3, 6824328), (4, 5118246), (6, 3412164), (7, 2924712), (8, 2559123), (9, 2274776), (12, 1706082), (14, 1462356), (18, 1137388), (21, 974904), (24, 853041), (28, 731178), (36, 568694), (42, 487452), (49, 417816), (56, 365589), (63, 324968), (72, 284347), (84, 243726), (98, 208908), (126, 162484), (147, 139272), (168, 121863), (196, 104454), (252, 81242), (294, 69636), (343, 59688), (392, 52227), (441, 46424), (504, 40621), (588, 34818), (686, 29844), (829, 24696), (882, 23212), (1029, 19896), (1176, 17409), (1372, 14922), (1658, 12348), (1764, 11606), (2058, 9948), (2487, 8232), (2744, 7461), (3087, 6632), (3316, 6174), (3528, 5803), (4116, 4974)]