20211552

素因数分解:

$2^5\times 3^3\times {\mathrm{149}}^1\times {\mathrm{157}}^1$

素因数の和:325

約数の個数: 96

約数和(自身を含む): 59724000

約数和(自身を除く): 39512448

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 32, 36, 48, 54, 72, 96, 108, 144, 149, 157, 216, 288, 298, 314, 432, 447, 471, 596, 628, 864, 894, 942, 1192, 1256, 1341, 1413, 1788, 1884, 2384, 2512, 2682, 2826, 3576, 3768, 4023, 4239, 4768, 5024, 5364, 5652, 7152, 7536, 8046, 8478, 10728, 11304, 14304, 15072, 16092, 16956, 21456, 22608, 23393, 32184, 33912, 42912, 45216, 46786, 64368, 67824, 70179, 93572, 128736, 135648, 140358, 187144, 210537, 280716, 374288, 421074, 561432, 631611, 748576, 842148, 1122864, 1263222, 1684296, 2245728, 2526444, 3368592, 5052888, 6737184, 10105776, 20211552]

約数ペア:

[(1, 20211552), (2, 10105776), (3, 6737184), (4, 5052888), (6, 3368592), (8, 2526444), (9, 2245728), (12, 1684296), (16, 1263222), (18, 1122864), (24, 842148), (27, 748576), (32, 631611), (36, 561432), (48, 421074), (54, 374288), (72, 280716), (96, 210537), (108, 187144), (144, 140358), (149, 135648), (157, 128736), (216, 93572), (288, 70179), (298, 67824), (314, 64368), (432, 46786), (447, 45216), (471, 42912), (596, 33912), (628, 32184), (864, 23393), (894, 22608), (942, 21456), (1192, 16956), (1256, 16092), (1341, 15072), (1413, 14304), (1788, 11304), (1884, 10728), (2384, 8478), (2512, 8046), (2682, 7536), (2826, 7152), (3576, 5652), (3768, 5364), (4023, 5024), (4239, 4768)]