20702304

素因数分解:

$2^5\times 3^4\times 7^2\times {\mathrm{163}}^1$

素因数の和:199

約数の個数: 180

約数和(自身を含む): 71259804

約数和(自身を除く): 50557500

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 27, 28, 32, 36, 42, 48, 49, 54, 56, 63, 72, 81, 84, 96, 98, 108, 112, 126, 144, 147, 162, 163, 168, 189, 196, 216, 224, 252, 288, 294, 324, 326, 336, 378, 392, 432, 441, 489, 504, 567, 588, 648, 652, 672, 756, 784, 864, 882, 978, 1008, 1134, 1141, 1176, 1296, 1304, 1323, 1467, 1512, 1568, 1764, 1956, 2016, 2268, 2282, 2352, 2592, 2608, 2646, 2934, 3024, 3423, 3528, 3912, 3969, 4401, 4536, 4564, 4704, 5216, 5292, 5868, 6048, 6846, 7056, 7824, 7938, 7987, 8802, 9072, 9128, 10269, 10584, 11736, 13203, 13692, 14112, 15648, 15876, 15974, 17604, 18144, 18256, 20538, 21168, 23472, 23961, 26406, 27384, 30807, 31752, 31948, 35208, 36512, 41076, 42336, 46944, 47922, 52812, 54768, 61614, 63504, 63896, 70416, 71883, 82152, 92421, 95844, 105624, 109536, 123228, 127008, 127792, 140832, 143766, 164304, 184842, 191688, 211248, 215649, 246456, 255584, 287532, 328608, 369684, 383376, 422496, 431298, 492912, 575064, 646947, 739368, 766752, 862596, 985824, 1150128, 1293894, 1478736, 1725192, 2300256, 2587788, 2957472, 3450384, 5175576, 6900768, 10351152, 20702304]

約数ペア:

[(1, 20702304), (2, 10351152), (3, 6900768), (4, 5175576), (6, 3450384), (7, 2957472), (8, 2587788), (9, 2300256), (12, 1725192), (14, 1478736), (16, 1293894), (18, 1150128), (21, 985824), (24, 862596), (27, 766752), (28, 739368), (32, 646947), (36, 575064), (42, 492912), (48, 431298), (49, 422496), (54, 383376), (56, 369684), (63, 328608), (72, 287532), (81, 255584), (84, 246456), (96, 215649), (98, 211248), (108, 191688), (112, 184842), (126, 164304), (144, 143766), (147, 140832), (162, 127792), (163, 127008), (168, 123228), (189, 109536), (196, 105624), (216, 95844), (224, 92421), (252, 82152), (288, 71883), (294, 70416), (324, 63896), (326, 63504), (336, 61614), (378, 54768), (392, 52812), (432, 47922), (441, 46944), (489, 42336), (504, 41076), (567, 36512), (588, 35208), (648, 31948), (652, 31752), (672, 30807), (756, 27384), (784, 26406), (864, 23961), (882, 23472), (978, 21168), (1008, 20538), (1134, 18256), (1141, 18144), (1176, 17604), (1296, 15974), (1304, 15876), (1323, 15648), (1467, 14112), (1512, 13692), (1568, 13203), (1764, 11736), (1956, 10584), (2016, 10269), (2268, 9128), (2282, 9072), (2352, 8802), (2592, 7987), (2608, 7938), (2646, 7824), (2934, 7056), (3024, 6846), (3423, 6048), (3528, 5868), (3912, 5292), (3969, 5216), (4401, 4704), (4536, 4564)]