20581152

素因数分解:

$2^5\times 3^1\times {\mathrm{17}}^1\times {\mathrm{12611}}^1$

素因数の和:12641

約数の個数: 48

約数和(自身を含む): 57208032

約数和(自身を除く): 36626880

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 17, 24, 32, 34, 48, 51, 68, 96, 102, 136, 204, 272, 408, 544, 816, 1632, 12611, 25222, 37833, 50444, 75666, 100888, 151332, 201776, 214387, 302664, 403552, 428774, 605328, 643161, 857548, 1210656, 1286322, 1715096, 2572644, 3430192, 5145288, 6860384, 10290576, 20581152]

約数ペア:

[(1, 20581152), (2, 10290576), (3, 6860384), (4, 5145288), (6, 3430192), (8, 2572644), (12, 1715096), (16, 1286322), (17, 1210656), (24, 857548), (32, 643161), (34, 605328), (48, 428774), (51, 403552), (68, 302664), (96, 214387), (102, 201776), (136, 151332), (204, 100888), (272, 75666), (408, 50444), (544, 37833), (816, 25222), (1632, 12611)]