20157495548

素因数分解:

$2^2\times {\mathrm{47}}^1\times {\mathrm{71}}^1\times {\mathrm{73}}^1\times {\mathrm{137}}^1\times {\mathrm{151}}^1$

素因数の和:483

約数の個数: 96

約数和(自身を含む): 37551403008

約数和(自身を除く): 17393907460

約数列:

[1, 2, 4, 47, 71, 73, 94, 137, 142, 146, 151, 188, 274, 284, 292, 302, 548, 604, 3337, 3431, 5183, 6439, 6674, 6862, 7097, 9727, 10001, 10366, 10721, 11023, 12878, 13348, 13724, 14194, 19454, 20002, 20687, 20732, 21442, 22046, 25756, 28388, 38908, 40004, 41374, 42884, 44092, 82748, 243601, 457169, 470047, 487202, 503887, 518081, 710071, 782633, 914338, 940094, 972289, 974404, 1007774, 1036162, 1420142, 1468777, 1510151, 1565266, 1828676, 1880188, 1944578, 2015548, 2072324, 2840284, 2937554, 3020302, 3130532, 3889156, 5875108, 6040604, 33373337, 36783751, 66746674, 69032519, 70977097, 73567502, 107220721, 133493348, 138065038, 141954194, 147135004, 214441442, 276130076, 283908388, 428882884, 5039373887, 10078747774, 20157495548]

約数ペア:

[(1, 20157495548), (2, 10078747774), (4, 5039373887), (47, 428882884), (71, 283908388), (73, 276130076), (94, 214441442), (137, 147135004), (142, 141954194), (146, 138065038), (151, 133493348), (188, 107220721), (274, 73567502), (284, 70977097), (292, 69032519), (302, 66746674), (548, 36783751), (604, 33373337), (3337, 6040604), (3431, 5875108), (5183, 3889156), (6439, 3130532), (6674, 3020302), (6862, 2937554), (7097, 2840284), (9727, 2072324), (10001, 2015548), (10366, 1944578), (10721, 1880188), (11023, 1828676), (12878, 1565266), (13348, 1510151), (13724, 1468777), (14194, 1420142), (19454, 1036162), (20002, 1007774), (20687, 974404), (20732, 972289), (21442, 940094), (22046, 914338), (25756, 782633), (28388, 710071), (38908, 518081), (40004, 503887), (41374, 487202), (42884, 470047), (44092, 457169), (82748, 243601)]