20212656

素因数分解:

$2^4\times 3^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{599}}^1$

素因数の和:666

約数の個数: 80

約数和(自身を含む): 56544000

約数和(自身を除く): 36331344

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 19, 24, 37, 38, 48, 57, 74, 76, 111, 114, 148, 152, 222, 228, 296, 304, 444, 456, 592, 599, 703, 888, 912, 1198, 1406, 1776, 1797, 2109, 2396, 2812, 3594, 4218, 4792, 5624, 7188, 8436, 9584, 11248, 11381, 14376, 16872, 22163, 22762, 28752, 33744, 34143, 44326, 45524, 66489, 68286, 88652, 91048, 132978, 136572, 177304, 182096, 265956, 273144, 354608, 421097, 531912, 546288, 842194, 1063824, 1263291, 1684388, 2526582, 3368776, 5053164, 6737552, 10106328, 20212656]

約数ペア:

[(1, 20212656), (2, 10106328), (3, 6737552), (4, 5053164), (6, 3368776), (8, 2526582), (12, 1684388), (16, 1263291), (19, 1063824), (24, 842194), (37, 546288), (38, 531912), (48, 421097), (57, 354608), (74, 273144), (76, 265956), (111, 182096), (114, 177304), (148, 136572), (152, 132978), (222, 91048), (228, 88652), (296, 68286), (304, 66489), (444, 45524), (456, 44326), (592, 34143), (599, 33744), (703, 28752), (888, 22762), (912, 22163), (1198, 16872), (1406, 14376), (1776, 11381), (1797, 11248), (2109, 9584), (2396, 8436), (2812, 7188), (3594, 5624), (4218, 4792)]