20207764

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{6911}}^1$

素因数の和:6975

約数の個数: 24

約数和(自身を含む): 38320128

約数和(自身を除く): 18112364

約数列:

[1, 2, 4, 17, 34, 43, 68, 86, 172, 731, 1462, 2924, 6911, 13822, 27644, 117487, 234974, 297173, 469948, 594346, 1188692, 5051941, 10103882, 20207764]

約数ペア:

[(1, 20207764), (2, 10103882), (4, 5051941), (17, 1188692), (34, 594346), (43, 469948), (68, 297173), (86, 234974), (172, 117487), (731, 27644), (1462, 13822), (2924, 6911)]