20513152

素因数分解:

$2^7\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{857}}^1$

素因数の和:899

約数の個数: 64

約数和(自身を含む): 47258640

約数和(自身を除く): 26745488

約数列:

[1, 2, 4, 8, 11, 16, 17, 22, 32, 34, 44, 64, 68, 88, 128, 136, 176, 187, 272, 352, 374, 544, 704, 748, 857, 1088, 1408, 1496, 1714, 2176, 2992, 3428, 5984, 6856, 9427, 11968, 13712, 14569, 18854, 23936, 27424, 29138, 37708, 54848, 58276, 75416, 109696, 116552, 150832, 160259, 233104, 301664, 320518, 466208, 603328, 641036, 932416, 1206656, 1282072, 1864832, 2564144, 5128288, 10256576, 20513152]

約数ペア:

[(1, 20513152), (2, 10256576), (4, 5128288), (8, 2564144), (11, 1864832), (16, 1282072), (17, 1206656), (22, 932416), (32, 641036), (34, 603328), (44, 466208), (64, 320518), (68, 301664), (88, 233104), (128, 160259), (136, 150832), (176, 116552), (187, 109696), (272, 75416), (352, 58276), (374, 54848), (544, 37708), (704, 29138), (748, 27424), (857, 23936), (1088, 18854), (1408, 14569), (1496, 13712), (1714, 11968), (2176, 9427), (2992, 6856), (3428, 5984)]