20171248656

素因数分解:

$2^4\times 3^1\times {\mathrm{13}}^1\times {\mathrm{499}}^1\times {\mathrm{64781}}^1$

素因数の和:65304

約数の個数: 80

約数和(自身を含む): 56230776000

約数和(自身を除く): 36059527344

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 39, 48, 52, 78, 104, 156, 208, 312, 499, 624, 998, 1497, 1996, 2994, 3992, 5988, 6487, 7984, 11976, 12974, 19461, 23952, 25948, 38922, 51896, 64781, 77844, 103792, 129562, 155688, 194343, 259124, 311376, 388686, 518248, 777372, 842153, 1036496, 1554744, 1684306, 2526459, 3109488, 3368612, 5052918, 6737224, 10105836, 13474448, 20211672, 32325719, 40423344, 64651438, 96977157, 129302876, 193954314, 258605752, 387908628, 420234347, 517211504, 775817256, 840468694, 1260703041, 1551634512, 1680937388, 2521406082, 3361874776, 5042812164, 6723749552, 10085624328, 20171248656]

約数ペア:

[(1, 20171248656), (2, 10085624328), (3, 6723749552), (4, 5042812164), (6, 3361874776), (8, 2521406082), (12, 1680937388), (13, 1551634512), (16, 1260703041), (24, 840468694), (26, 775817256), (39, 517211504), (48, 420234347), (52, 387908628), (78, 258605752), (104, 193954314), (156, 129302876), (208, 96977157), (312, 64651438), (499, 40423344), (624, 32325719), (998, 20211672), (1497, 13474448), (1996, 10105836), (2994, 6737224), (3992, 5052918), (5988, 3368612), (6487, 3109488), (7984, 2526459), (11976, 1684306), (12974, 1554744), (19461, 1036496), (23952, 842153), (25948, 777372), (38922, 518248), (51896, 388686), (64781, 311376), (77844, 259124), (103792, 194343), (129562, 155688)]