20803855105

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{61}}^1\times {\mathrm{131933}}^1$

素因数の和:132057

約数の個数: 32

約数和(自身を含む): 28269762048

約数和(自身を除く): 7465906943

約数列:

[1, 5, 11, 47, 55, 61, 235, 305, 517, 671, 2585, 2867, 3355, 14335, 31537, 131933, 157685, 659665, 1451263, 6200851, 7256315, 8047913, 31004255, 40239565, 68209361, 88527043, 341046805, 378251911, 442635215, 1891259555, 4160771021, 20803855105]

約数ペア:

[(1, 20803855105), (5, 4160771021), (11, 1891259555), (47, 442635215), (55, 378251911), (61, 341046805), (235, 88527043), (305, 68209361), (517, 40239565), (671, 31004255), (2585, 8047913), (2867, 7256315), (3355, 6200851), (14335, 1451263), (31537, 659665), (131933, 157685)]