20560004

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{191}}^1\times {\mathrm{1583}}^1$

素因数の和:1795

約数の個数: 24

約数和(自身を含む): 38320128

約数和(自身を除く): 17760124

約数列:

[1, 2, 4, 17, 34, 68, 191, 382, 764, 1583, 3166, 3247, 6332, 6494, 12988, 26911, 53822, 107644, 302353, 604706, 1209412, 5140001, 10280002, 20560004]

約数ペア:

[(1, 20560004), (2, 10280002), (4, 5140001), (17, 1209412), (34, 604706), (68, 302353), (191, 107644), (382, 53822), (764, 26911), (1583, 12988), (3166, 6494), (3247, 6332)]