20286710

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^2\times {\mathrm{2111}}^1$

素因数の和:2180

約数の個数: 24

約数和(自身を含む): 37749888

約数和(自身を除く): 17463178

約数列:

[1, 2, 5, 10, 31, 62, 155, 310, 961, 1922, 2111, 4222, 4805, 9610, 10555, 21110, 65441, 130882, 327205, 654410, 2028671, 4057342, 10143355, 20286710]

約数ペア:

[(1, 20286710), (2, 10143355), (5, 4057342), (10, 2028671), (31, 654410), (62, 327205), (155, 130882), (310, 65441), (961, 21110), (1922, 10555), (2111, 9610), (4222, 4805)]