20086880

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^1\times {\mathrm{101}}^1\times {\mathrm{113}}^1$

素因数の和:240

約数の個数: 96

約数和(自身を含む): 52744608

約数和(自身を除く): 32657728

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 80, 88, 101, 110, 113, 160, 176, 202, 220, 226, 352, 404, 440, 452, 505, 565, 808, 880, 904, 1010, 1111, 1130, 1243, 1616, 1760, 1808, 2020, 2222, 2260, 2486, 3232, 3616, 4040, 4444, 4520, 4972, 5555, 6215, 8080, 8888, 9040, 9944, 11110, 11413, 12430, 16160, 17776, 18080, 19888, 22220, 22826, 24860, 35552, 39776, 44440, 45652, 49720, 57065, 88880, 91304, 99440, 114130, 125543, 177760, 182608, 198880, 228260, 251086, 365216, 456520, 502172, 627715, 913040, 1004344, 1255430, 1826080, 2008688, 2510860, 4017376, 5021720, 10043440, 20086880]

約数ペア:

[(1, 20086880), (2, 10043440), (4, 5021720), (5, 4017376), (8, 2510860), (10, 2008688), (11, 1826080), (16, 1255430), (20, 1004344), (22, 913040), (32, 627715), (40, 502172), (44, 456520), (55, 365216), (80, 251086), (88, 228260), (101, 198880), (110, 182608), (113, 177760), (160, 125543), (176, 114130), (202, 99440), (220, 91304), (226, 88880), (352, 57065), (404, 49720), (440, 45652), (452, 44440), (505, 39776), (565, 35552), (808, 24860), (880, 22826), (904, 22220), (1010, 19888), (1111, 18080), (1130, 17776), (1243, 16160), (1616, 12430), (1760, 11413), (1808, 11110), (2020, 9944), (2222, 9040), (2260, 8888), (2486, 8080), (3232, 6215), (3616, 5555), (4040, 4972), (4444, 4520)]