20425776

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{53}}^1$

素因数の和:139

約数の個数: 160

約数和(自身を含む): 65138688

約数和(自身を除く): 44712912

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 31, 37, 42, 48, 53, 56, 62, 74, 84, 93, 106, 111, 112, 124, 148, 159, 168, 186, 212, 217, 222, 248, 259, 296, 318, 336, 371, 372, 424, 434, 444, 496, 518, 592, 636, 651, 742, 744, 777, 848, 868, 888, 1036, 1113, 1147, 1272, 1302, 1484, 1488, 1554, 1643, 1736, 1776, 1961, 2072, 2226, 2294, 2544, 2604, 2968, 3108, 3286, 3441, 3472, 3922, 4144, 4452, 4588, 4929, 5208, 5883, 5936, 6216, 6572, 6882, 7844, 8029, 8904, 9176, 9858, 10416, 11501, 11766, 12432, 13144, 13727, 13764, 15688, 16058, 17808, 18352, 19716, 23002, 23532, 24087, 26288, 27454, 27528, 31376, 32116, 34503, 39432, 41181, 46004, 47064, 48174, 54908, 55056, 60791, 64232, 69006, 78864, 82362, 92008, 94128, 96348, 109816, 121582, 128464, 138012, 164724, 182373, 184016, 192696, 219632, 243164, 276024, 329448, 364746, 385392, 425537, 486328, 552048, 658896, 729492, 851074, 972656, 1276611, 1458984, 1702148, 2553222, 2917968, 3404296, 5106444, 6808592, 10212888, 20425776]

約数ペア:

[(1, 20425776), (2, 10212888), (3, 6808592), (4, 5106444), (6, 3404296), (7, 2917968), (8, 2553222), (12, 1702148), (14, 1458984), (16, 1276611), (21, 972656), (24, 851074), (28, 729492), (31, 658896), (37, 552048), (42, 486328), (48, 425537), (53, 385392), (56, 364746), (62, 329448), (74, 276024), (84, 243164), (93, 219632), (106, 192696), (111, 184016), (112, 182373), (124, 164724), (148, 138012), (159, 128464), (168, 121582), (186, 109816), (212, 96348), (217, 94128), (222, 92008), (248, 82362), (259, 78864), (296, 69006), (318, 64232), (336, 60791), (371, 55056), (372, 54908), (424, 48174), (434, 47064), (444, 46004), (496, 41181), (518, 39432), (592, 34503), (636, 32116), (651, 31376), (742, 27528), (744, 27454), (777, 26288), (848, 24087), (868, 23532), (888, 23002), (1036, 19716), (1113, 18352), (1147, 17808), (1272, 16058), (1302, 15688), (1484, 13764), (1488, 13727), (1554, 13144), (1643, 12432), (1736, 11766), (1776, 11501), (1961, 10416), (2072, 9858), (2226, 9176), (2294, 8904), (2544, 8029), (2604, 7844), (2968, 6882), (3108, 6572), (3286, 6216), (3441, 5936), (3472, 5883), (3922, 5208), (4144, 4929), (4452, 4588)]