20563299

素因数分解:

$3^2\times {\mathrm{47}}^1\times {\mathrm{173}}^1\times {\mathrm{281}}^1$

素因数の和:507

約数の個数: 24

約数和(自身を含む): 30618432

約数和(自身を除く): 10055133

約数列:

[1, 3, 9, 47, 141, 173, 281, 423, 519, 843, 1557, 2529, 8131, 13207, 24393, 39621, 48613, 73179, 118863, 145839, 437517, 2284811, 6854433, 20563299]

約数ペア:

[(1, 20563299), (3, 6854433), (9, 2284811), (47, 437517), (141, 145839), (173, 118863), (281, 73179), (423, 48613), (519, 39621), (843, 24393), (1557, 13207), (2529, 8131)]