20872544

素因数分解:

$2^5\times 7^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{197}}^1$

素因数の和:268

約数の個数: 96

約数和(自身を含む): 52690176

約数和(自身を除く): 31817632

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 32, 43, 44, 56, 77, 86, 88, 112, 154, 172, 176, 197, 224, 301, 308, 344, 352, 394, 473, 602, 616, 688, 788, 946, 1204, 1232, 1376, 1379, 1576, 1892, 2167, 2408, 2464, 2758, 3152, 3311, 3784, 4334, 4816, 5516, 6304, 6622, 7568, 8471, 8668, 9632, 11032, 13244, 15136, 15169, 16942, 17336, 22064, 26488, 30338, 33884, 34672, 44128, 52976, 59297, 60676, 67768, 69344, 93181, 105952, 118594, 121352, 135536, 186362, 237188, 242704, 271072, 372724, 474376, 485408, 652267, 745448, 948752, 1304534, 1490896, 1897504, 2609068, 2981792, 5218136, 10436272, 20872544]

約数ペア:

[(1, 20872544), (2, 10436272), (4, 5218136), (7, 2981792), (8, 2609068), (11, 1897504), (14, 1490896), (16, 1304534), (22, 948752), (28, 745448), (32, 652267), (43, 485408), (44, 474376), (56, 372724), (77, 271072), (86, 242704), (88, 237188), (112, 186362), (154, 135536), (172, 121352), (176, 118594), (197, 105952), (224, 93181), (301, 69344), (308, 67768), (344, 60676), (352, 59297), (394, 52976), (473, 44128), (602, 34672), (616, 33884), (688, 30338), (788, 26488), (946, 22064), (1204, 17336), (1232, 16942), (1376, 15169), (1379, 15136), (1576, 13244), (1892, 11032), (2167, 9632), (2408, 8668), (2464, 8471), (2758, 7568), (3152, 6622), (3311, 6304), (3784, 5516), (4334, 4816)]