20523888

素因数分解:

$2^4\times 3^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{617}}^1$

素因数の和:652

約数の個数: 160

約数和(自身を含む): 73566720

約数和(自身を除く): 53042832

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 11, 12, 14, 16, 18, 21, 22, 24, 27, 28, 33, 36, 42, 44, 48, 54, 56, 63, 66, 72, 77, 84, 88, 99, 108, 112, 126, 132, 144, 154, 168, 176, 189, 198, 216, 231, 252, 264, 297, 308, 336, 378, 396, 432, 462, 504, 528, 594, 616, 617, 693, 756, 792, 924, 1008, 1188, 1232, 1234, 1386, 1512, 1584, 1848, 1851, 2079, 2376, 2468, 2772, 3024, 3696, 3702, 4158, 4319, 4752, 4936, 5544, 5553, 6787, 7404, 8316, 8638, 9872, 11088, 11106, 12957, 13574, 14808, 16632, 16659, 17276, 20361, 22212, 25914, 27148, 29616, 33264, 33318, 34552, 38871, 40722, 44424, 47509, 51828, 54296, 61083, 66636, 69104, 77742, 81444, 88848, 95018, 103656, 108592, 116613, 122166, 133272, 142527, 155484, 162888, 183249, 190036, 207312, 233226, 244332, 266544, 285054, 310968, 325776, 366498, 380072, 427581, 466452, 488664, 570108, 621936, 732996, 760144, 855162, 932904, 977328, 1140216, 1282743, 1465992, 1710324, 1865808, 2280432, 2565486, 2931984, 3420648, 5130972, 6841296, 10261944, 20523888]

約数ペア:

[(1, 20523888), (2, 10261944), (3, 6841296), (4, 5130972), (6, 3420648), (7, 2931984), (8, 2565486), (9, 2280432), (11, 1865808), (12, 1710324), (14, 1465992), (16, 1282743), (18, 1140216), (21, 977328), (22, 932904), (24, 855162), (27, 760144), (28, 732996), (33, 621936), (36, 570108), (42, 488664), (44, 466452), (48, 427581), (54, 380072), (56, 366498), (63, 325776), (66, 310968), (72, 285054), (77, 266544), (84, 244332), (88, 233226), (99, 207312), (108, 190036), (112, 183249), (126, 162888), (132, 155484), (144, 142527), (154, 133272), (168, 122166), (176, 116613), (189, 108592), (198, 103656), (216, 95018), (231, 88848), (252, 81444), (264, 77742), (297, 69104), (308, 66636), (336, 61083), (378, 54296), (396, 51828), (432, 47509), (462, 44424), (504, 40722), (528, 38871), (594, 34552), (616, 33318), (617, 33264), (693, 29616), (756, 27148), (792, 25914), (924, 22212), (1008, 20361), (1188, 17276), (1232, 16659), (1234, 16632), (1386, 14808), (1512, 13574), (1584, 12957), (1848, 11106), (1851, 11088), (2079, 9872), (2376, 8638), (2468, 8316), (2772, 7404), (3024, 6787), (3696, 5553), (3702, 5544), (4158, 4936), (4319, 4752)]