20228169

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{509}}^1\times {\mathrm{1019}}^1$

素因数の和:1544

約数の個数: 16

約数和(自身を含む): 29131200

約数和(自身を除く): 8903031

約数列:

[1, 3, 13, 39, 509, 1019, 1527, 3057, 6617, 13247, 19851, 39741, 518671, 1556013, 6742723, 20228169]

約数ペア:

[(1, 20228169), (3, 6742723), (13, 1556013), (39, 518671), (509, 39741), (1019, 19851), (1527, 13247), (3057, 6617)]