20298231

素因数分解:

$3^2\times {\mathrm{29}}^1\times {\mathrm{83}}^1\times {\mathrm{937}}^1$

素因数の和:1055

約数の個数: 24

約数和(自身を含む): 30728880

約数和(自身を除く): 10430649

約数列:

[1, 3, 9, 29, 83, 87, 249, 261, 747, 937, 2407, 2811, 7221, 8433, 21663, 27173, 77771, 81519, 233313, 244557, 699939, 2255359, 6766077, 20298231]

約数ペア:

[(1, 20298231), (3, 6766077), (9, 2255359), (29, 699939), (83, 244557), (87, 233313), (249, 81519), (261, 77771), (747, 27173), (937, 21663), (2407, 8433), (2811, 7221)]