20121635864

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{103}}^1\times {\mathrm{149}}^1\times {\mathrm{317}}^1$

素因数の和:633

約数の個数: 128

約数和(自身を含む): 42861312000

約数和(自身を除く): 22739676136

約数列:

[1, 2, 4, 8, 11, 22, 44, 47, 88, 94, 103, 149, 188, 206, 298, 317, 376, 412, 517, 596, 634, 824, 1034, 1133, 1192, 1268, 1639, 2068, 2266, 2536, 3278, 3487, 4136, 4532, 4841, 6556, 6974, 7003, 9064, 9682, 13112, 13948, 14006, 14899, 15347, 19364, 27896, 28012, 29798, 30694, 32651, 38728, 47233, 53251, 56024, 59596, 61388, 65302, 77033, 94466, 106502, 119192, 122776, 130604, 154066, 163889, 168817, 188932, 213004, 261208, 308132, 327778, 337634, 359161, 377864, 426008, 519563, 616264, 655556, 675268, 718322, 721309, 1039126, 1311112, 1350536, 1436644, 1442618, 1534597, 2078252, 2219951, 2873288, 2885236, 3069194, 4156504, 4439902, 4864999, 5770472, 6138388, 7934399, 8879804, 9729998, 12276776, 15868798, 16880567, 17759608, 19459996, 24419461, 31737596, 33761134, 38919992, 48838922, 53514989, 63475192, 67522268, 97677844, 107029978, 135044536, 195355688, 214059956, 228654953, 428119912, 457309906, 914619812, 1829239624, 2515204483, 5030408966, 10060817932, 20121635864]

約数ペア:

[(1, 20121635864), (2, 10060817932), (4, 5030408966), (8, 2515204483), (11, 1829239624), (22, 914619812), (44, 457309906), (47, 428119912), (88, 228654953), (94, 214059956), (103, 195355688), (149, 135044536), (188, 107029978), (206, 97677844), (298, 67522268), (317, 63475192), (376, 53514989), (412, 48838922), (517, 38919992), (596, 33761134), (634, 31737596), (824, 24419461), (1034, 19459996), (1133, 17759608), (1192, 16880567), (1268, 15868798), (1639, 12276776), (2068, 9729998), (2266, 8879804), (2536, 7934399), (3278, 6138388), (3487, 5770472), (4136, 4864999), (4532, 4439902), (4841, 4156504), (6556, 3069194), (6974, 2885236), (7003, 2873288), (9064, 2219951), (9682, 2078252), (13112, 1534597), (13948, 1442618), (14006, 1436644), (14899, 1350536), (15347, 1311112), (19364, 1039126), (27896, 721309), (28012, 718322), (29798, 675268), (30694, 655556), (32651, 616264), (38728, 519563), (47233, 426008), (53251, 377864), (56024, 359161), (59596, 337634), (61388, 327778), (65302, 308132), (77033, 261208), (94466, 213004), (106502, 188932), (119192, 168817), (122776, 163889), (130604, 154066)]