20289610

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{2753}}^1$

素因数の和:2838

約数の個数: 32

約数和(自身を含む): 40450752

約数和(自身を除く): 20161142

約数列:

[1, 2, 5, 10, 11, 22, 55, 67, 110, 134, 335, 670, 737, 1474, 2753, 3685, 5506, 7370, 13765, 27530, 30283, 60566, 151415, 184451, 302830, 368902, 922255, 1844510, 2028961, 4057922, 10144805, 20289610]

約数ペア:

[(1, 20289610), (2, 10144805), (5, 4057922), (10, 2028961), (11, 1844510), (22, 922255), (55, 368902), (67, 302830), (110, 184451), (134, 151415), (335, 60566), (670, 30283), (737, 27530), (1474, 13765), (2753, 7370), (3685, 5506)]