20236468280

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{71}}^1\times {\mathrm{15193}}^1$

素因数の和:15349

約数の個数: 128

約数和(自身を含む): 53560673280

約数和(自身を除く): 33324205000

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 67, 70, 71, 134, 140, 142, 268, 280, 284, 335, 355, 469, 497, 536, 568, 670, 710, 938, 994, 1340, 1420, 1876, 1988, 2345, 2485, 2680, 2840, 3752, 3976, 4690, 4757, 4970, 9380, 9514, 9940, 15193, 18760, 19028, 19880, 23785, 30386, 33299, 38056, 47570, 60772, 66598, 75965, 95140, 106351, 121544, 133196, 151930, 166495, 190280, 212702, 266392, 303860, 332990, 425404, 531755, 607720, 665980, 850808, 1017931, 1063510, 1078703, 1331960, 2035862, 2127020, 2157406, 4071724, 4254040, 4314812, 5089655, 5393515, 7125517, 7550921, 8143448, 8629624, 10179310, 10787030, 14251034, 15101842, 20358620, 21574060, 28502068, 30203684, 35627585, 37754605, 40717240, 43148120, 57004136, 60407368, 71255170, 72273101, 75509210, 142510340, 144546202, 151018420, 285020680, 289092404, 302036840, 361365505, 505911707, 578184808, 722731010, 1011823414, 1445462020, 2023646828, 2529558535, 2890924040, 4047293656, 5059117070, 10118234140, 20236468280]

約数ペア:

[(1, 20236468280), (2, 10118234140), (4, 5059117070), (5, 4047293656), (7, 2890924040), (8, 2529558535), (10, 2023646828), (14, 1445462020), (20, 1011823414), (28, 722731010), (35, 578184808), (40, 505911707), (56, 361365505), (67, 302036840), (70, 289092404), (71, 285020680), (134, 151018420), (140, 144546202), (142, 142510340), (268, 75509210), (280, 72273101), (284, 71255170), (335, 60407368), (355, 57004136), (469, 43148120), (497, 40717240), (536, 37754605), (568, 35627585), (670, 30203684), (710, 28502068), (938, 21574060), (994, 20358620), (1340, 15101842), (1420, 14251034), (1876, 10787030), (1988, 10179310), (2345, 8629624), (2485, 8143448), (2680, 7550921), (2840, 7125517), (3752, 5393515), (3976, 5089655), (4690, 4314812), (4757, 4254040), (4970, 4071724), (9380, 2157406), (9514, 2127020), (9940, 2035862), (15193, 1331960), (18760, 1078703), (19028, 1063510), (19880, 1017931), (23785, 850808), (30386, 665980), (33299, 607720), (38056, 531755), (47570, 425404), (60772, 332990), (66598, 303860), (75965, 266392), (95140, 212702), (106351, 190280), (121544, 166495), (133196, 151930)]