20498562

素因数分解:

$2^1\times 3^3\times 7^2\times {\mathrm{61}}^1\times {\mathrm{127}}^1$

素因数の和:213

約数の個数: 96

約数和(自身を含む): 54282240

約数和(自身を除く): 33783678

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 49, 54, 61, 63, 98, 122, 126, 127, 147, 183, 189, 254, 294, 366, 378, 381, 427, 441, 549, 762, 854, 882, 889, 1098, 1143, 1281, 1323, 1647, 1778, 2286, 2562, 2646, 2667, 2989, 3294, 3429, 3843, 5334, 5978, 6223, 6858, 7686, 7747, 8001, 8967, 11529, 12446, 15494, 16002, 17934, 18669, 23058, 23241, 24003, 26901, 37338, 46482, 48006, 53802, 54229, 56007, 69723, 80703, 108458, 112014, 139446, 161406, 162687, 168021, 209169, 325374, 336042, 379603, 418338, 488061, 759206, 976122, 1138809, 1464183, 2277618, 2928366, 3416427, 6832854, 10249281, 20498562]

約数ペア:

[(1, 20498562), (2, 10249281), (3, 6832854), (6, 3416427), (7, 2928366), (9, 2277618), (14, 1464183), (18, 1138809), (21, 976122), (27, 759206), (42, 488061), (49, 418338), (54, 379603), (61, 336042), (63, 325374), (98, 209169), (122, 168021), (126, 162687), (127, 161406), (147, 139446), (183, 112014), (189, 108458), (254, 80703), (294, 69723), (366, 56007), (378, 54229), (381, 53802), (427, 48006), (441, 46482), (549, 37338), (762, 26901), (854, 24003), (882, 23241), (889, 23058), (1098, 18669), (1143, 17934), (1281, 16002), (1323, 15494), (1647, 12446), (1778, 11529), (2286, 8967), (2562, 8001), (2646, 7747), (2667, 7686), (2989, 6858), (3294, 6223), (3429, 5978), (3843, 5334)]