20914868

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{3167}}^1$

素因数の和:3311

約数の個数: 24

約数和(自身を含む): 39739392

約数和(自身を除く): 18824524

約数列:

[1, 2, 4, 13, 26, 52, 127, 254, 508, 1651, 3167, 3302, 6334, 6604, 12668, 41171, 82342, 164684, 402209, 804418, 1608836, 5228717, 10457434, 20914868]

約数ペア:

[(1, 20914868), (2, 10457434), (4, 5228717), (13, 1608836), (26, 804418), (52, 402209), (127, 164684), (254, 82342), (508, 41171), (1651, 12668), (3167, 6604), (3302, 6334)]