20406340

素因数分解:

$2^2\times 5^1\times {\mathrm{269}}^1\times {\mathrm{3793}}^1$

素因数の和:4071

約数の個数: 24

約数和(自身を含む): 43023960

約数和(自身を除く): 22617620

約数列:

[1, 2, 4, 5, 10, 20, 269, 538, 1076, 1345, 2690, 3793, 5380, 7586, 15172, 18965, 37930, 75860, 1020317, 2040634, 4081268, 5101585, 10203170, 20406340]

約数ペア:

[(1, 20406340), (2, 10203170), (4, 5101585), (5, 4081268), (10, 2040634), (20, 1020317), (269, 75860), (538, 37930), (1076, 18965), (1345, 15172), (2690, 7586), (3793, 5380)]