20279376

素因数分解:

$2^4\times 3^3\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{157}}^1$

素因数の和:210

約数の個数: 160

約数和(自身を含む): 65829120

約数和(自身を除く): 45549744

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 23, 24, 26, 27, 36, 39, 46, 48, 52, 54, 69, 72, 78, 92, 104, 108, 117, 138, 144, 156, 157, 184, 207, 208, 216, 234, 276, 299, 312, 314, 351, 368, 414, 432, 468, 471, 552, 598, 621, 624, 628, 702, 828, 897, 936, 942, 1104, 1196, 1242, 1256, 1404, 1413, 1656, 1794, 1872, 1884, 2041, 2392, 2484, 2512, 2691, 2808, 2826, 3312, 3588, 3611, 3768, 4082, 4239, 4784, 4968, 5382, 5616, 5652, 6123, 7176, 7222, 7536, 8073, 8164, 8478, 9936, 10764, 10833, 11304, 12246, 14352, 14444, 16146, 16328, 16956, 18369, 21528, 21666, 22608, 24492, 28888, 32292, 32499, 32656, 33912, 36738, 43056, 43332, 46943, 48984, 55107, 57776, 64584, 64998, 67824, 73476, 86664, 93886, 97497, 97968, 110214, 129168, 129996, 140829, 146952, 173328, 187772, 194994, 220428, 259992, 281658, 293904, 375544, 389988, 422487, 440856, 519984, 563316, 751088, 779976, 844974, 881712, 1126632, 1267461, 1559952, 1689948, 2253264, 2534922, 3379896, 5069844, 6759792, 10139688, 20279376]

約数ペア:

[(1, 20279376), (2, 10139688), (3, 6759792), (4, 5069844), (6, 3379896), (8, 2534922), (9, 2253264), (12, 1689948), (13, 1559952), (16, 1267461), (18, 1126632), (23, 881712), (24, 844974), (26, 779976), (27, 751088), (36, 563316), (39, 519984), (46, 440856), (48, 422487), (52, 389988), (54, 375544), (69, 293904), (72, 281658), (78, 259992), (92, 220428), (104, 194994), (108, 187772), (117, 173328), (138, 146952), (144, 140829), (156, 129996), (157, 129168), (184, 110214), (207, 97968), (208, 97497), (216, 93886), (234, 86664), (276, 73476), (299, 67824), (312, 64998), (314, 64584), (351, 57776), (368, 55107), (414, 48984), (432, 46943), (468, 43332), (471, 43056), (552, 36738), (598, 33912), (621, 32656), (624, 32499), (628, 32292), (702, 28888), (828, 24492), (897, 22608), (936, 21666), (942, 21528), (1104, 18369), (1196, 16956), (1242, 16328), (1256, 16146), (1404, 14444), (1413, 14352), (1656, 12246), (1794, 11304), (1872, 10833), (1884, 10764), (2041, 9936), (2392, 8478), (2484, 8164), (2512, 8073), (2691, 7536), (2808, 7222), (2826, 7176), (3312, 6123), (3588, 5652), (3611, 5616), (3768, 5382), (4082, 4968), (4239, 4784)]