20554128

素因数分解:

$2^4\times 3^3\times 7^2\times {\mathrm{971}}^1$

素因数の和:1002

約数の個数: 120

約数和(自身を含む): 68700960

約数和(自身を除く): 48146832

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 27, 28, 36, 42, 48, 49, 54, 56, 63, 72, 84, 98, 108, 112, 126, 144, 147, 168, 189, 196, 216, 252, 294, 336, 378, 392, 432, 441, 504, 588, 756, 784, 882, 971, 1008, 1176, 1323, 1512, 1764, 1942, 2352, 2646, 2913, 3024, 3528, 3884, 5292, 5826, 6797, 7056, 7768, 8739, 10584, 11652, 13594, 15536, 17478, 20391, 21168, 23304, 26217, 27188, 34956, 40782, 46608, 47579, 52434, 54376, 61173, 69912, 81564, 95158, 104868, 108752, 122346, 139824, 142737, 163128, 183519, 190316, 209736, 244692, 285474, 326256, 367038, 380632, 419472, 428211, 489384, 570948, 734076, 761264, 856422, 978768, 1141896, 1284633, 1468152, 1712844, 2283792, 2569266, 2936304, 3425688, 5138532, 6851376, 10277064, 20554128]

約数ペア:

[(1, 20554128), (2, 10277064), (3, 6851376), (4, 5138532), (6, 3425688), (7, 2936304), (8, 2569266), (9, 2283792), (12, 1712844), (14, 1468152), (16, 1284633), (18, 1141896), (21, 978768), (24, 856422), (27, 761264), (28, 734076), (36, 570948), (42, 489384), (48, 428211), (49, 419472), (54, 380632), (56, 367038), (63, 326256), (72, 285474), (84, 244692), (98, 209736), (108, 190316), (112, 183519), (126, 163128), (144, 142737), (147, 139824), (168, 122346), (189, 108752), (196, 104868), (216, 95158), (252, 81564), (294, 69912), (336, 61173), (378, 54376), (392, 52434), (432, 47579), (441, 46608), (504, 40782), (588, 34956), (756, 27188), (784, 26217), (882, 23304), (971, 21168), (1008, 20391), (1176, 17478), (1323, 15536), (1512, 13594), (1764, 11652), (1942, 10584), (2352, 8739), (2646, 7768), (2913, 7056), (3024, 6797), (3528, 5826), (3884, 5292)]