20690951904

素因数分解:

$2^5\times 3^3\times 7^1\times {\mathrm{43}}^1\times {\mathrm{79561}}^1$

素因数の和:79630

約数の個数: 192

約数和(自身を含む): 70574676480

約数和(自身を除く): 49883724576

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 27, 28, 32, 36, 42, 43, 48, 54, 56, 63, 72, 84, 86, 96, 108, 112, 126, 129, 144, 168, 172, 189, 216, 224, 252, 258, 288, 301, 336, 344, 378, 387, 432, 504, 516, 602, 672, 688, 756, 774, 864, 903, 1008, 1032, 1161, 1204, 1376, 1512, 1548, 1806, 2016, 2064, 2322, 2408, 2709, 3024, 3096, 3612, 4128, 4644, 4816, 5418, 6048, 6192, 7224, 8127, 9288, 9632, 10836, 12384, 14448, 16254, 18576, 21672, 28896, 32508, 37152, 43344, 65016, 79561, 86688, 130032, 159122, 238683, 260064, 318244, 477366, 556927, 636488, 716049, 954732, 1113854, 1272976, 1432098, 1670781, 1909464, 2148147, 2227708, 2545952, 2864196, 3341562, 3421123, 3818928, 4296294, 4455416, 5012343, 5728392, 6683124, 6842246, 7637856, 8592588, 8910832, 10024686, 10263369, 11456784, 13366248, 13684492, 15037029, 17185176, 17821664, 20049372, 20526738, 22913568, 23947861, 26732496, 27368984, 30074058, 30790107, 34370352, 40098744, 41053476, 47895722, 53464992, 54737968, 60148116, 61580214, 68740704, 71843583, 80197488, 82106952, 92370321, 95791444, 109475936, 120296232, 123160428, 143687166, 160394976, 164213904, 184740642, 191582888, 215530749, 240592464, 246320856, 287374332, 328427808, 369481284, 383165776, 431061498, 481184928, 492641712, 574748664, 646592247, 738962568, 766331552, 862122996, 985283424, 1149497328, 1293184494, 1477925136, 1724245992, 2298994656, 2586368988, 2955850272, 3448491984, 5172737976, 6896983968, 10345475952, 20690951904]

約数ペア:

[(1, 20690951904), (2, 10345475952), (3, 6896983968), (4, 5172737976), (6, 3448491984), (7, 2955850272), (8, 2586368988), (9, 2298994656), (12, 1724245992), (14, 1477925136), (16, 1293184494), (18, 1149497328), (21, 985283424), (24, 862122996), (27, 766331552), (28, 738962568), (32, 646592247), (36, 574748664), (42, 492641712), (43, 481184928), (48, 431061498), (54, 383165776), (56, 369481284), (63, 328427808), (72, 287374332), (84, 246320856), (86, 240592464), (96, 215530749), (108, 191582888), (112, 184740642), (126, 164213904), (129, 160394976), (144, 143687166), (168, 123160428), (172, 120296232), (189, 109475936), (216, 95791444), (224, 92370321), (252, 82106952), (258, 80197488), (288, 71843583), (301, 68740704), (336, 61580214), (344, 60148116), (378, 54737968), (387, 53464992), (432, 47895722), (504, 41053476), (516, 40098744), (602, 34370352), (672, 30790107), (688, 30074058), (756, 27368984), (774, 26732496), (864, 23947861), (903, 22913568), (1008, 20526738), (1032, 20049372), (1161, 17821664), (1204, 17185176), (1376, 15037029), (1512, 13684492), (1548, 13366248), (1806, 11456784), (2016, 10263369), (2064, 10024686), (2322, 8910832), (2408, 8592588), (2709, 7637856), (3024, 6842246), (3096, 6683124), (3612, 5728392), (4128, 5012343), (4644, 4455416), (4816, 4296294), (5418, 3818928), (6048, 3421123), (6192, 3341562), (7224, 2864196), (8127, 2545952), (9288, 2227708), (9632, 2148147), (10836, 1909464), (12384, 1670781), (14448, 1432098), (16254, 1272976), (18576, 1113854), (21672, 954732), (28896, 716049), (32508, 636488), (37152, 556927), (43344, 477366), (65016, 318244), (79561, 260064), (86688, 238683), (130032, 159122)]