20761272

素因数分解:

$2^3\times 3^4\times 7^1\times {\mathrm{23}}^1\times {\mathrm{199}}^1$

素因数の和:247

約数の個数: 160

約数和(自身を含む): 69696000

約数和(自身を除く): 48934728

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 21, 23, 24, 27, 28, 36, 42, 46, 54, 56, 63, 69, 72, 81, 84, 92, 108, 126, 138, 161, 162, 168, 184, 189, 199, 207, 216, 252, 276, 322, 324, 378, 398, 414, 483, 504, 552, 567, 597, 621, 644, 648, 756, 796, 828, 966, 1134, 1194, 1242, 1288, 1393, 1449, 1512, 1592, 1656, 1791, 1863, 1932, 2268, 2388, 2484, 2786, 2898, 3582, 3726, 3864, 4179, 4347, 4536, 4577, 4776, 4968, 5373, 5572, 5796, 7164, 7452, 8358, 8694, 9154, 10746, 11144, 11592, 12537, 13041, 13731, 14328, 14904, 16119, 16716, 17388, 18308, 21492, 25074, 26082, 27462, 32039, 32238, 33432, 34776, 36616, 37611, 41193, 42984, 50148, 52164, 54924, 64078, 64476, 75222, 82386, 96117, 100296, 104328, 109848, 112833, 123579, 128156, 128952, 150444, 164772, 192234, 225666, 247158, 256312, 288351, 300888, 329544, 370737, 384468, 451332, 494316, 576702, 741474, 768936, 865053, 902664, 988632, 1153404, 1482948, 1730106, 2306808, 2595159, 2965896, 3460212, 5190318, 6920424, 10380636, 20761272]

約数ペア:

[(1, 20761272), (2, 10380636), (3, 6920424), (4, 5190318), (6, 3460212), (7, 2965896), (8, 2595159), (9, 2306808), (12, 1730106), (14, 1482948), (18, 1153404), (21, 988632), (23, 902664), (24, 865053), (27, 768936), (28, 741474), (36, 576702), (42, 494316), (46, 451332), (54, 384468), (56, 370737), (63, 329544), (69, 300888), (72, 288351), (81, 256312), (84, 247158), (92, 225666), (108, 192234), (126, 164772), (138, 150444), (161, 128952), (162, 128156), (168, 123579), (184, 112833), (189, 109848), (199, 104328), (207, 100296), (216, 96117), (252, 82386), (276, 75222), (322, 64476), (324, 64078), (378, 54924), (398, 52164), (414, 50148), (483, 42984), (504, 41193), (552, 37611), (567, 36616), (597, 34776), (621, 33432), (644, 32238), (648, 32039), (756, 27462), (796, 26082), (828, 25074), (966, 21492), (1134, 18308), (1194, 17388), (1242, 16716), (1288, 16119), (1393, 14904), (1449, 14328), (1512, 13731), (1592, 13041), (1656, 12537), (1791, 11592), (1863, 11144), (1932, 10746), (2268, 9154), (2388, 8694), (2484, 8358), (2786, 7452), (2898, 7164), (3582, 5796), (3726, 5572), (3864, 5373), (4179, 4968), (4347, 4776), (4536, 4577)]