20817216

素因数分解:

$2^6\times 3^3\times 7^1\times {\mathrm{1721}}^1$

素因数の和:1749

約数の個数: 112

約数和(自身を含む): 69982080

約数和(自身を除く): 49164864

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 27, 28, 32, 36, 42, 48, 54, 56, 63, 64, 72, 84, 96, 108, 112, 126, 144, 168, 189, 192, 216, 224, 252, 288, 336, 378, 432, 448, 504, 576, 672, 756, 864, 1008, 1344, 1512, 1721, 1728, 2016, 3024, 3442, 4032, 5163, 6048, 6884, 10326, 12047, 12096, 13768, 15489, 20652, 24094, 27536, 30978, 36141, 41304, 46467, 48188, 55072, 61956, 72282, 82608, 92934, 96376, 108423, 110144, 123912, 144564, 165216, 185868, 192752, 216846, 247824, 289128, 325269, 330432, 371736, 385504, 433692, 495648, 578256, 650538, 743472, 771008, 867384, 991296, 1156512, 1301076, 1486944, 1734768, 2313024, 2602152, 2973888, 3469536, 5204304, 6939072, 10408608, 20817216]

約数ペア:

[(1, 20817216), (2, 10408608), (3, 6939072), (4, 5204304), (6, 3469536), (7, 2973888), (8, 2602152), (9, 2313024), (12, 1734768), (14, 1486944), (16, 1301076), (18, 1156512), (21, 991296), (24, 867384), (27, 771008), (28, 743472), (32, 650538), (36, 578256), (42, 495648), (48, 433692), (54, 385504), (56, 371736), (63, 330432), (64, 325269), (72, 289128), (84, 247824), (96, 216846), (108, 192752), (112, 185868), (126, 165216), (144, 144564), (168, 123912), (189, 110144), (192, 108423), (216, 96376), (224, 92934), (252, 82608), (288, 72282), (336, 61956), (378, 55072), (432, 48188), (448, 46467), (504, 41304), (576, 36141), (672, 30978), (756, 27536), (864, 24094), (1008, 20652), (1344, 15489), (1512, 13768), (1721, 12096), (1728, 12047), (2016, 10326), (3024, 6884), (3442, 6048), (4032, 5163)]