20594280465

素因数分解:

$3^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{43}}^1\times {\mathrm{87959}}^1$

素因数の和:88035

約数の個数: 72

約数和(自身を含む): 40149869760

約数和(自身を除く): 19555589295

約数列:

[1, 3, 5, 9, 11, 15, 33, 43, 45, 55, 99, 121, 129, 165, 215, 363, 387, 473, 495, 605, 645, 1089, 1419, 1815, 1935, 2365, 4257, 5203, 5445, 7095, 15609, 21285, 26015, 46827, 78045, 87959, 234135, 263877, 439795, 791631, 967549, 1319385, 2902647, 3782237, 3958155, 4837745, 8707941, 10643039, 11346711, 14513235, 18911185, 31929117, 34040133, 41604607, 43539705, 53215195, 56733555, 95787351, 124813821, 159645585, 170200665, 208023035, 374441463, 457650677, 478936755, 624069105, 1372952031, 1872207315, 2288253385, 4118856093, 6864760155, 20594280465]

約数ペア:

[(1, 20594280465), (3, 6864760155), (5, 4118856093), (9, 2288253385), (11, 1872207315), (15, 1372952031), (33, 624069105), (43, 478936755), (45, 457650677), (55, 374441463), (99, 208023035), (121, 170200665), (129, 159645585), (165, 124813821), (215, 95787351), (363, 56733555), (387, 53215195), (473, 43539705), (495, 41604607), (605, 34040133), (645, 31929117), (1089, 18911185), (1419, 14513235), (1815, 11346711), (1935, 10643039), (2365, 8707941), (4257, 4837745), (5203, 3958155), (5445, 3782237), (7095, 2902647), (15609, 1319385), (21285, 967549), (26015, 791631), (46827, 439795), (78045, 263877), (87959, 234135)]