20528805

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{83}}^1\times {\mathrm{1499}}^1$

素因数の和:1601

約数の個数: 32

約数和(自身を含む): 36288000

約数和(自身を除く): 15759195

約数列:

[1, 3, 5, 11, 15, 33, 55, 83, 165, 249, 415, 913, 1245, 1499, 2739, 4497, 4565, 7495, 13695, 16489, 22485, 49467, 82445, 124417, 247335, 373251, 622085, 1368587, 1866255, 4105761, 6842935, 20528805]

約数ペア:

[(1, 20528805), (3, 6842935), (5, 4105761), (11, 1866255), (15, 1368587), (33, 622085), (55, 373251), (83, 247335), (165, 124417), (249, 82445), (415, 49467), (913, 22485), (1245, 16489), (1499, 13695), (2739, 7495), (4497, 4565)]