20497852

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{8147}}^1$

素因数の和:8205

約数の個数: 24

約数和(自身を含む): 39012624

約数和(自身を除く): 18514772

約数列:

[1, 2, 4, 17, 34, 37, 68, 74, 148, 629, 1258, 2516, 8147, 16294, 32588, 138499, 276998, 301439, 553996, 602878, 1205756, 5124463, 10248926, 20497852]

約数ペア:

[(1, 20497852), (2, 10248926), (4, 5124463), (17, 1205756), (34, 602878), (37, 553996), (68, 301439), (74, 276998), (148, 138499), (629, 32588), (1258, 16294), (2516, 8147)]