20688044

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{131}}^1\times {\mathrm{3037}}^1$

素因数の和:3185

約数の個数: 24

約数和(自身を含む): 39299568

約数和(自身を除く): 18611524

約数列:

[1, 2, 4, 13, 26, 52, 131, 262, 524, 1703, 3037, 3406, 6074, 6812, 12148, 39481, 78962, 157924, 397847, 795694, 1591388, 5172011, 10344022, 20688044]

約数ペア:

[(1, 20688044), (2, 10344022), (4, 5172011), (13, 1591388), (26, 795694), (52, 397847), (131, 157924), (262, 78962), (524, 39481), (1703, 12148), (3037, 6812), (3406, 6074)]