20507904

素因数分解:

$2^8\times 3^4\times {\mathrm{23}}^1\times {\mathrm{43}}^1$

素因数の和:94

約数の個数: 180

約数和(自身を含む): 65293536

約数和(自身を除く): 44785632

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 23, 24, 27, 32, 36, 43, 46, 48, 54, 64, 69, 72, 81, 86, 92, 96, 108, 128, 129, 138, 144, 162, 172, 184, 192, 207, 216, 256, 258, 276, 288, 324, 344, 368, 384, 387, 414, 432, 516, 552, 576, 621, 648, 688, 736, 768, 774, 828, 864, 989, 1032, 1104, 1152, 1161, 1242, 1296, 1376, 1472, 1548, 1656, 1728, 1863, 1978, 2064, 2208, 2304, 2322, 2484, 2592, 2752, 2944, 2967, 3096, 3312, 3456, 3483, 3726, 3956, 4128, 4416, 4644, 4968, 5184, 5504, 5888, 5934, 6192, 6624, 6912, 6966, 7452, 7912, 8256, 8832, 8901, 9288, 9936, 10368, 11008, 11868, 12384, 13248, 13932, 14904, 15824, 16512, 17664, 17802, 18576, 19872, 20736, 23736, 24768, 26496, 26703, 27864, 29808, 31648, 33024, 35604, 37152, 39744, 47472, 49536, 52992, 53406, 55728, 59616, 63296, 71208, 74304, 79488, 80109, 94944, 99072, 106812, 111456, 119232, 126592, 142416, 148608, 158976, 160218, 189888, 213624, 222912, 238464, 253184, 284832, 297216, 320436, 379776, 427248, 445824, 476928, 569664, 640872, 759552, 854496, 891648, 1139328, 1281744, 1708992, 2278656, 2563488, 3417984, 5126976, 6835968, 10253952, 20507904]

約数ペア:

[(1, 20507904), (2, 10253952), (3, 6835968), (4, 5126976), (6, 3417984), (8, 2563488), (9, 2278656), (12, 1708992), (16, 1281744), (18, 1139328), (23, 891648), (24, 854496), (27, 759552), (32, 640872), (36, 569664), (43, 476928), (46, 445824), (48, 427248), (54, 379776), (64, 320436), (69, 297216), (72, 284832), (81, 253184), (86, 238464), (92, 222912), (96, 213624), (108, 189888), (128, 160218), (129, 158976), (138, 148608), (144, 142416), (162, 126592), (172, 119232), (184, 111456), (192, 106812), (207, 99072), (216, 94944), (256, 80109), (258, 79488), (276, 74304), (288, 71208), (324, 63296), (344, 59616), (368, 55728), (384, 53406), (387, 52992), (414, 49536), (432, 47472), (516, 39744), (552, 37152), (576, 35604), (621, 33024), (648, 31648), (688, 29808), (736, 27864), (768, 26703), (774, 26496), (828, 24768), (864, 23736), (989, 20736), (1032, 19872), (1104, 18576), (1152, 17802), (1161, 17664), (1242, 16512), (1296, 15824), (1376, 14904), (1472, 13932), (1548, 13248), (1656, 12384), (1728, 11868), (1863, 11008), (1978, 10368), (2064, 9936), (2208, 9288), (2304, 8901), (2322, 8832), (2484, 8256), (2592, 7912), (2752, 7452), (2944, 6966), (2967, 6912), (3096, 6624), (3312, 6192), (3456, 5934), (3483, 5888), (3726, 5504), (3956, 5184), (4128, 4968), (4416, 4644)]