20132084720

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{257}}^1\times {\mathrm{89017}}^1$

素因数の和:89298

約数の個数: 80

約数和(自身を含む): 51261549408

約数和(自身を除く): 31129464688

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 257, 440, 514, 880, 1028, 1285, 2056, 2570, 2827, 4112, 5140, 5654, 10280, 11308, 14135, 20560, 22616, 28270, 45232, 56540, 89017, 113080, 178034, 226160, 356068, 445085, 712136, 890170, 979187, 1424272, 1780340, 1958374, 3560680, 3916748, 4895935, 7121360, 7833496, 9791870, 15666992, 19583740, 22877369, 39167480, 45754738, 78334960, 91509476, 114386845, 183018952, 228773690, 251651059, 366037904, 457547380, 503302118, 915094760, 1006604236, 1258255295, 1830189520, 2013208472, 2516510590, 4026416944, 5033021180, 10066042360, 20132084720]

約数ペア:

[(1, 20132084720), (2, 10066042360), (4, 5033021180), (5, 4026416944), (8, 2516510590), (10, 2013208472), (11, 1830189520), (16, 1258255295), (20, 1006604236), (22, 915094760), (40, 503302118), (44, 457547380), (55, 366037904), (80, 251651059), (88, 228773690), (110, 183018952), (176, 114386845), (220, 91509476), (257, 78334960), (440, 45754738), (514, 39167480), (880, 22877369), (1028, 19583740), (1285, 15666992), (2056, 9791870), (2570, 7833496), (2827, 7121360), (4112, 4895935), (5140, 3916748), (5654, 3560680), (10280, 1958374), (11308, 1780340), (14135, 1424272), (20560, 979187), (22616, 890170), (28270, 712136), (45232, 445085), (56540, 356068), (89017, 226160), (113080, 178034)]