20111277355

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{421}}^1\times {\mathrm{2543}}^1$

素因数の和:3016

約数の個数: 48

約数和(自身を含む): 27685171584

約数和(自身を除く): 7573894229

約数列:

[1, 5, 13, 17, 65, 85, 221, 289, 421, 1105, 1445, 2105, 2543, 3757, 5473, 7157, 12715, 18785, 27365, 33059, 35785, 43231, 93041, 121669, 165295, 216155, 465205, 562003, 608345, 734927, 1070603, 1581697, 2810015, 3674635, 5353015, 7908485, 9554051, 13917839, 18200251, 47770255, 69589195, 91001255, 236603263, 309404267, 1183016315, 1547021335, 4022255471, 20111277355]

約数ペア:

[(1, 20111277355), (5, 4022255471), (13, 1547021335), (17, 1183016315), (65, 309404267), (85, 236603263), (221, 91001255), (289, 69589195), (421, 47770255), (1105, 18200251), (1445, 13917839), (2105, 9554051), (2543, 7908485), (3757, 5353015), (5473, 3674635), (7157, 2810015), (12715, 1581697), (18785, 1070603), (27365, 734927), (33059, 608345), (35785, 562003), (43231, 465205), (93041, 216155), (121669, 165295)]