20919636

素因数分解:

$2^2\times 3^2\times {\mathrm{581101}}^1$

素因数の和:581111

約数の個数: 18

約数和(自身を含む): 52880282

約数和(自身を除く): 31960646

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 581101, 1162202, 1743303, 2324404, 3486606, 5229909, 6973212, 10459818, 20919636]

約数ペア:

[(1, 20919636), (2, 10459818), (3, 6973212), (4, 5229909), (6, 3486606), (9, 2324404), (12, 1743303), (18, 1162202), (36, 581101)]