17020520

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{101}}^1\times {\mathrm{383}}^1$

素因数の和:506

約数の個数: 64

約数和(自身を含む): 42301440

約数和(自身を除く): 25280920

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 101, 110, 202, 220, 383, 404, 440, 505, 766, 808, 1010, 1111, 1532, 1915, 2020, 2222, 3064, 3830, 4040, 4213, 4444, 5555, 7660, 8426, 8888, 11110, 15320, 16852, 21065, 22220, 33704, 38683, 42130, 44440, 77366, 84260, 154732, 168520, 193415, 309464, 386830, 425513, 773660, 851026, 1547320, 1702052, 2127565, 3404104, 4255130, 8510260, 17020520]

約数ペア:

[(1, 17020520), (2, 8510260), (4, 4255130), (5, 3404104), (8, 2127565), (10, 1702052), (11, 1547320), (20, 851026), (22, 773660), (40, 425513), (44, 386830), (55, 309464), (88, 193415), (101, 168520), (110, 154732), (202, 84260), (220, 77366), (383, 44440), (404, 42130), (440, 38683), (505, 33704), (766, 22220), (808, 21065), (1010, 16852), (1111, 15320), (1532, 11110), (1915, 8888), (2020, 8426), (2222, 7660), (3064, 5555), (3830, 4444), (4040, 4213)]