20618496

素因数分解:

$2^8\times 3^3\times {\mathrm{19}}^1\times {\mathrm{157}}^1$

素因数の和:201

約数の個数: 144

約数和(自身を含む): 64590400

約数和(自身を除く): 43971904

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 19, 24, 27, 32, 36, 38, 48, 54, 57, 64, 72, 76, 96, 108, 114, 128, 144, 152, 157, 171, 192, 216, 228, 256, 288, 304, 314, 342, 384, 432, 456, 471, 513, 576, 608, 628, 684, 768, 864, 912, 942, 1026, 1152, 1216, 1256, 1368, 1413, 1728, 1824, 1884, 2052, 2304, 2432, 2512, 2736, 2826, 2983, 3456, 3648, 3768, 4104, 4239, 4864, 5024, 5472, 5652, 5966, 6912, 7296, 7536, 8208, 8478, 8949, 10048, 10944, 11304, 11932, 14592, 15072, 16416, 16956, 17898, 20096, 21888, 22608, 23864, 26847, 30144, 32832, 33912, 35796, 40192, 43776, 45216, 47728, 53694, 60288, 65664, 67824, 71592, 80541, 90432, 95456, 107388, 120576, 131328, 135648, 143184, 161082, 180864, 190912, 214776, 271296, 286368, 322164, 361728, 381824, 429552, 542592, 572736, 644328, 763648, 859104, 1085184, 1145472, 1288656, 1718208, 2290944, 2577312, 3436416, 5154624, 6872832, 10309248, 20618496]

約数ペア:

[(1, 20618496), (2, 10309248), (3, 6872832), (4, 5154624), (6, 3436416), (8, 2577312), (9, 2290944), (12, 1718208), (16, 1288656), (18, 1145472), (19, 1085184), (24, 859104), (27, 763648), (32, 644328), (36, 572736), (38, 542592), (48, 429552), (54, 381824), (57, 361728), (64, 322164), (72, 286368), (76, 271296), (96, 214776), (108, 190912), (114, 180864), (128, 161082), (144, 143184), (152, 135648), (157, 131328), (171, 120576), (192, 107388), (216, 95456), (228, 90432), (256, 80541), (288, 71592), (304, 67824), (314, 65664), (342, 60288), (384, 53694), (432, 47728), (456, 45216), (471, 43776), (513, 40192), (576, 35796), (608, 33912), (628, 32832), (684, 30144), (768, 26847), (864, 23864), (912, 22608), (942, 21888), (1026, 20096), (1152, 17898), (1216, 16956), (1256, 16416), (1368, 15072), (1413, 14592), (1728, 11932), (1824, 11304), (1884, 10944), (2052, 10048), (2304, 8949), (2432, 8478), (2512, 8208), (2736, 7536), (2826, 7296), (2983, 6912), (3456, 5966), (3648, 5652), (3768, 5472), (4104, 5024), (4239, 4864)]