20909562016

素因数分解:

$2^5\times 7^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{227}}^1\times {\mathrm{941}}^1$

素因数の和:1227

約数の個数: 192

約数和(自身を含む): 51958609920

約数和(自身を除く): 31049047904

約数列:

[1, 2, 4, 7, 8, 14, 16, 19, 23, 28, 32, 38, 46, 56, 76, 92, 112, 133, 152, 161, 184, 224, 227, 266, 304, 322, 368, 437, 454, 532, 608, 644, 736, 874, 908, 941, 1064, 1288, 1589, 1748, 1816, 1882, 2128, 2576, 3059, 3178, 3496, 3632, 3764, 4256, 4313, 5152, 5221, 6118, 6356, 6587, 6992, 7264, 7528, 8626, 10442, 12236, 12712, 13174, 13984, 15056, 17252, 17879, 20884, 21643, 24472, 25424, 26348, 30112, 30191, 34504, 35758, 36547, 41768, 43286, 48944, 50848, 52696, 60382, 69008, 71516, 73094, 83536, 86572, 97888, 99199, 105392, 120764, 125153, 138016, 143032, 146188, 151501, 167072, 173144, 198398, 210784, 213607, 241528, 250306, 286064, 292376, 303002, 346288, 396796, 411217, 427214, 483056, 500612, 572128, 584752, 606004, 692576, 694393, 793592, 822434, 854428, 966112, 1001224, 1169504, 1212008, 1388786, 1495249, 1587184, 1644868, 1708856, 2002448, 2424016, 2777572, 2878519, 2990498, 3174368, 3289736, 3417712, 4004896, 4058533, 4848032, 4912961, 5555144, 5757038, 5980996, 6579472, 6835424, 8117066, 9825922, 11110288, 11514076, 11961992, 13158944, 16234132, 19651844, 22220576, 23028152, 23923984, 28409731, 32468264, 34390727, 39303688, 46056304, 47847968, 56819462, 64936528, 68781454, 78607376, 92112608, 93346259, 113638924, 129873056, 137562908, 157214752, 186692518, 227277848, 275125816, 373385036, 454555696, 550251632, 653423813, 746770072, 909111392, 1100503264, 1306847626, 1493540144, 2613695252, 2987080288, 5227390504, 10454781008, 20909562016]

約数ペア:

[(1, 20909562016), (2, 10454781008), (4, 5227390504), (7, 2987080288), (8, 2613695252), (14, 1493540144), (16, 1306847626), (19, 1100503264), (23, 909111392), (28, 746770072), (32, 653423813), (38, 550251632), (46, 454555696), (56, 373385036), (76, 275125816), (92, 227277848), (112, 186692518), (133, 157214752), (152, 137562908), (161, 129873056), (184, 113638924), (224, 93346259), (227, 92112608), (266, 78607376), (304, 68781454), (322, 64936528), (368, 56819462), (437, 47847968), (454, 46056304), (532, 39303688), (608, 34390727), (644, 32468264), (736, 28409731), (874, 23923984), (908, 23028152), (941, 22220576), (1064, 19651844), (1288, 16234132), (1589, 13158944), (1748, 11961992), (1816, 11514076), (1882, 11110288), (2128, 9825922), (2576, 8117066), (3059, 6835424), (3178, 6579472), (3496, 5980996), (3632, 5757038), (3764, 5555144), (4256, 4912961), (4313, 4848032), (5152, 4058533), (5221, 4004896), (6118, 3417712), (6356, 3289736), (6587, 3174368), (6992, 2990498), (7264, 2878519), (7528, 2777572), (8626, 2424016), (10442, 2002448), (12236, 1708856), (12712, 1644868), (13174, 1587184), (13984, 1495249), (15056, 1388786), (17252, 1212008), (17879, 1169504), (20884, 1001224), (21643, 966112), (24472, 854428), (25424, 822434), (26348, 793592), (30112, 694393), (30191, 692576), (34504, 606004), (35758, 584752), (36547, 572128), (41768, 500612), (43286, 483056), (48944, 427214), (50848, 411217), (52696, 396796), (60382, 346288), (69008, 303002), (71516, 292376), (73094, 286064), (83536, 250306), (86572, 241528), (97888, 213607), (99199, 210784), (105392, 198398), (120764, 173144), (125153, 167072), (138016, 151501), (143032, 146188)]