20792272880

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^2\times {\mathrm{270451}}^1$

素因数の和:270526

約数の個数: 60

約数和(自身を含む): 49951943496

約数和(自身を除く): 29159670616

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 961, 1240, 1922, 2480, 3844, 4805, 7688, 9610, 15376, 19220, 38440, 76880, 270451, 540902, 1081804, 1352255, 2163608, 2704510, 4327216, 5409020, 8383981, 10818040, 16767962, 21636080, 33535924, 41919905, 67071848, 83839810, 134143696, 167679620, 259903411, 335359240, 519806822, 670718480, 1039613644, 1299517055, 2079227288, 2599034110, 4158454576, 5198068220, 10396136440, 20792272880]

約数ペア:

[(1, 20792272880), (2, 10396136440), (4, 5198068220), (5, 4158454576), (8, 2599034110), (10, 2079227288), (16, 1299517055), (20, 1039613644), (31, 670718480), (40, 519806822), (62, 335359240), (80, 259903411), (124, 167679620), (155, 134143696), (248, 83839810), (310, 67071848), (496, 41919905), (620, 33535924), (961, 21636080), (1240, 16767962), (1922, 10818040), (2480, 8383981), (3844, 5409020), (4805, 4327216), (7688, 2704510), (9610, 2163608), (15376, 1352255), (19220, 1081804), (38440, 540902), (76880, 270451)]