20161116784

素因数分解:

$2^4\times {\mathrm{2939}}^1\times {\mathrm{428741}}^1$

素因数の和:431688

約数の個数: 20

約数和(自身を含む): 39075545880

約数和(自身を除く): 18914429096

約数列:

[1, 2, 4, 8, 16, 2939, 5878, 11756, 23512, 47024, 428741, 857482, 1714964, 3429928, 6859856, 1260069799, 2520139598, 5040279196, 10080558392, 20161116784]

約数ペア:

[(1, 20161116784), (2, 10080558392), (4, 5040279196), (8, 2520139598), (16, 1260069799), (2939, 6859856), (5878, 3429928), (11756, 1714964), (23512, 857482), (47024, 428741)]