20473728

素因数分解:

$2^7\times 3^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{131}}^1$

素因数の和:196

約数の個数: 128

約数和(自身を含む): 61395840

約数和(自身を除く): 40922112

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 16, 22, 24, 32, 33, 37, 44, 48, 64, 66, 74, 88, 96, 111, 128, 131, 132, 148, 176, 192, 222, 262, 264, 296, 352, 384, 393, 407, 444, 524, 528, 592, 704, 786, 814, 888, 1048, 1056, 1184, 1221, 1408, 1441, 1572, 1628, 1776, 2096, 2112, 2368, 2442, 2882, 3144, 3256, 3552, 4192, 4224, 4323, 4736, 4847, 4884, 5764, 6288, 6512, 7104, 8384, 8646, 9694, 9768, 11528, 12576, 13024, 14208, 14541, 16768, 17292, 19388, 19536, 23056, 25152, 26048, 29082, 34584, 38776, 39072, 46112, 50304, 52096, 53317, 58164, 69168, 77552, 78144, 92224, 106634, 116328, 138336, 155104, 156288, 159951, 184448, 213268, 232656, 276672, 310208, 319902, 426536, 465312, 553344, 620416, 639804, 853072, 930624, 1279608, 1706144, 1861248, 2559216, 3412288, 5118432, 6824576, 10236864, 20473728]

約数ペア:

[(1, 20473728), (2, 10236864), (3, 6824576), (4, 5118432), (6, 3412288), (8, 2559216), (11, 1861248), (12, 1706144), (16, 1279608), (22, 930624), (24, 853072), (32, 639804), (33, 620416), (37, 553344), (44, 465312), (48, 426536), (64, 319902), (66, 310208), (74, 276672), (88, 232656), (96, 213268), (111, 184448), (128, 159951), (131, 156288), (132, 155104), (148, 138336), (176, 116328), (192, 106634), (222, 92224), (262, 78144), (264, 77552), (296, 69168), (352, 58164), (384, 53317), (393, 52096), (407, 50304), (444, 46112), (524, 39072), (528, 38776), (592, 34584), (704, 29082), (786, 26048), (814, 25152), (888, 23056), (1048, 19536), (1056, 19388), (1184, 17292), (1221, 16768), (1408, 14541), (1441, 14208), (1572, 13024), (1628, 12576), (1776, 11528), (2096, 9768), (2112, 9694), (2368, 8646), (2442, 8384), (2882, 7104), (3144, 6512), (3256, 6288), (3552, 5764), (4192, 4884), (4224, 4847), (4323, 4736)]