20178027

素因数分解:

$3^2\times {\mathrm{41}}^1\times {\mathrm{149}}^1\times {\mathrm{367}}^1$

素因数の和:563

約数の個数: 24

約数和(自身を含む): 30139200

約数和(自身を除く): 9961173

約数列:

[1, 3, 9, 41, 123, 149, 367, 369, 447, 1101, 1341, 3303, 6109, 15047, 18327, 45141, 54683, 54981, 135423, 164049, 492147, 2242003, 6726009, 20178027]

約数ペア:

[(1, 20178027), (3, 6726009), (9, 2242003), (41, 492147), (123, 164049), (149, 135423), (367, 54981), (369, 54683), (447, 45141), (1101, 18327), (1341, 15047), (3303, 6109)]