20131475042

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{79}}^1\times {\mathrm{103}}^1\times {\mathrm{131}}^1$

素因数の和:412

約数の個数: 128

約数和(自身を含む): 37955174400

約数和(自身を除く): 17823699358

約数列:

[1, 2, 7, 14, 19, 38, 71, 79, 103, 131, 133, 142, 158, 206, 262, 266, 497, 553, 721, 917, 994, 1106, 1349, 1442, 1501, 1834, 1957, 2489, 2698, 3002, 3914, 4978, 5609, 7313, 8137, 9301, 9443, 10349, 10507, 11218, 13493, 13699, 14626, 16274, 17423, 18602, 18886, 20698, 21014, 26986, 27398, 34846, 39263, 51191, 56959, 65107, 72443, 78526, 94451, 102382, 106571, 113918, 130214, 138947, 144886, 154603, 176719, 188902, 196631, 213142, 256367, 277894, 309206, 353438, 393262, 512734, 577727, 734779, 745997, 958003, 972629, 1065947, 1082221, 1155454, 1237033, 1376417, 1469558, 1491994, 1794569, 1916006, 1945258, 2131894, 2164442, 2474066, 2752834, 3589138, 4044089, 5143453, 6706021, 7461629, 8088178, 10286906, 10976813, 13412042, 13960801, 14923258, 18202057, 20252993, 21953626, 27921602, 36404114, 40505986, 75682237, 76837691, 97725607, 127414399, 141770951, 151364474, 153675382, 195451214, 254828798, 283541902, 529775659, 1059551318, 1437962503, 2875925006, 10065737521, 20131475042]

約数ペア:

[(1, 20131475042), (2, 10065737521), (7, 2875925006), (14, 1437962503), (19, 1059551318), (38, 529775659), (71, 283541902), (79, 254828798), (103, 195451214), (131, 153675382), (133, 151364474), (142, 141770951), (158, 127414399), (206, 97725607), (262, 76837691), (266, 75682237), (497, 40505986), (553, 36404114), (721, 27921602), (917, 21953626), (994, 20252993), (1106, 18202057), (1349, 14923258), (1442, 13960801), (1501, 13412042), (1834, 10976813), (1957, 10286906), (2489, 8088178), (2698, 7461629), (3002, 6706021), (3914, 5143453), (4978, 4044089), (5609, 3589138), (7313, 2752834), (8137, 2474066), (9301, 2164442), (9443, 2131894), (10349, 1945258), (10507, 1916006), (11218, 1794569), (13493, 1491994), (13699, 1469558), (14626, 1376417), (16274, 1237033), (17423, 1155454), (18602, 1082221), (18886, 1065947), (20698, 972629), (21014, 958003), (26986, 745997), (27398, 734779), (34846, 577727), (39263, 512734), (51191, 393262), (56959, 353438), (65107, 309206), (72443, 277894), (78526, 256367), (94451, 213142), (102382, 196631), (106571, 188902), (113918, 176719), (130214, 154603), (138947, 144886)]