20135720

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{45763}}^1$

素因数の和:45785

約数の個数: 32

約数和(自身を含む): 49425120

約数和(自身を除く): 29289400

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 45763, 91526, 183052, 228815, 366104, 457630, 503393, 915260, 1006786, 1830520, 2013572, 2516965, 4027144, 5033930, 10067860, 20135720]

約数ペア:

[(1, 20135720), (2, 10067860), (4, 5033930), (5, 4027144), (8, 2516965), (10, 2013572), (11, 1830520), (20, 1006786), (22, 915260), (40, 503393), (44, 457630), (55, 366104), (88, 228815), (110, 183052), (220, 91526), (440, 45763)]