20689575984

素因数分解:

$2^4\times 3^5\times 7^1\times {\mathrm{11}}^1\times {\mathrm{69109}}^1$

素因数の和:69150

約数の個数: 240

約数和(自身を含む): 74864375040

約数和(自身を除く): 54174799056

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, 81, 84, 88, 99, 108, 112, 126, 132, 144, 154, 162, 168, 176, 189, 198, 216, 231, 243, 252, 264, 297, 308, 324, 336, 378, 396, 432, 462, 486, 504, 528, 567, 594, 616, 648, 693, 756, 792, 891, 924, 972, 1008, 1134, 1188, 1232, 1296, 1386, 1512, 1584, 1701, 1782, 1848, 1944, 2079, 2268, 2376, 2673, 2772, 3024, 3402, 3564, 3696, 3888, 4158, 4536, 4752, 5346, 5544, 6237, 6804, 7128, 8316, 9072, 10692, 11088, 12474, 13608, 14256, 16632, 18711, 21384, 24948, 27216, 33264, 37422, 42768, 49896, 69109, 74844, 99792, 138218, 149688, 207327, 276436, 299376, 414654, 483763, 552872, 621981, 760199, 829308, 967526, 1105744, 1243962, 1451289, 1520398, 1658616, 1865943, 1935052, 2280597, 2487924, 2902578, 3040796, 3317232, 3731886, 3870104, 4353867, 4561194, 4975848, 5321393, 5597829, 5805156, 6081592, 6841791, 7463772, 7740208, 8707734, 9122388, 9951696, 10642786, 11195658, 11610312, 12163184, 13061601, 13683582, 14927544, 15964179, 16793487, 17415468, 18244776, 20525373, 21285572, 22391316, 23220624, 26123202, 27367164, 29855088, 31928358, 33586974, 34830936, 36489552, 39184803, 41050746, 42571144, 44782632, 47892537, 52246404, 54734328, 61576119, 63856716, 67173948, 69661872, 78369606, 82101492, 85142288, 89565264, 95785074, 104492808, 109468656, 117554409, 123152238, 127713432, 134347896, 143677611, 156739212, 164202984, 184728357, 191570148, 208985616, 235108818, 246304476, 255426864, 268695792, 287355222, 313478424, 328405968, 369456714, 383140296, 431032833, 470217636, 492608952, 574710444, 626956848, 738913428, 766280592, 862065666, 940435272, 985217904, 1149420888, 1293098499, 1477826856, 1724131332, 1880870544, 2298841776, 2586196998, 2955653712, 3448262664, 5172393996, 6896525328, 10344787992, 20689575984]

約数ペア:

[(1, 20689575984), (2, 10344787992), (3, 6896525328), (4, 5172393996), (6, 3448262664), (7, 2955653712), (8, 2586196998), (9, 2298841776), (11, 1880870544), (12, 1724131332), (14, 1477826856), (16, 1293098499), (18, 1149420888), (21, 985217904), (22, 940435272), (24, 862065666), (27, 766280592), (28, 738913428), (33, 626956848), (36, 574710444), (42, 492608952), (44, 470217636), (48, 431032833), (54, 383140296), (56, 369456714), (63, 328405968), (66, 313478424), (72, 287355222), (77, 268695792), (81, 255426864), (84, 246304476), (88, 235108818), (99, 208985616), (108, 191570148), (112, 184728357), (126, 164202984), (132, 156739212), (144, 143677611), (154, 134347896), (162, 127713432), (168, 123152238), (176, 117554409), (189, 109468656), (198, 104492808), (216, 95785074), (231, 89565264), (243, 85142288), (252, 82101492), (264, 78369606), (297, 69661872), (308, 67173948), (324, 63856716), (336, 61576119), (378, 54734328), (396, 52246404), (432, 47892537), (462, 44782632), (486, 42571144), (504, 41050746), (528, 39184803), (567, 36489552), (594, 34830936), (616, 33586974), (648, 31928358), (693, 29855088), (756, 27367164), (792, 26123202), (891, 23220624), (924, 22391316), (972, 21285572), (1008, 20525373), (1134, 18244776), (1188, 17415468), (1232, 16793487), (1296, 15964179), (1386, 14927544), (1512, 13683582), (1584, 13061601), (1701, 12163184), (1782, 11610312), (1848, 11195658), (1944, 10642786), (2079, 9951696), (2268, 9122388), (2376, 8707734), (2673, 7740208), (2772, 7463772), (3024, 6841791), (3402, 6081592), (3564, 5805156), (3696, 5597829), (3888, 5321393), (4158, 4975848), (4536, 4561194), (4752, 4353867), (5346, 3870104), (5544, 3731886), (6237, 3317232), (6804, 3040796), (7128, 2902578), (8316, 2487924), (9072, 2280597), (10692, 1935052), (11088, 1865943), (12474, 1658616), (13608, 1520398), (14256, 1451289), (16632, 1243962), (18711, 1105744), (21384, 967526), (24948, 829308), (27216, 760199), (33264, 621981), (37422, 552872), (42768, 483763), (49896, 414654), (69109, 299376), (74844, 276436), (99792, 207327), (138218, 149688)]