20470941

素因数分解:

$3^3\times {\mathrm{17}}^1\times {\mathrm{103}}^1\times {\mathrm{433}}^1$

素因数の和:562

約数の個数: 32

約数和(自身を含む): 32497920

約数和(自身を除く): 12026979

約数列:

[1, 3, 9, 17, 27, 51, 103, 153, 309, 433, 459, 927, 1299, 1751, 2781, 3897, 5253, 7361, 11691, 15759, 22083, 44599, 47277, 66249, 133797, 198747, 401391, 758183, 1204173, 2274549, 6823647, 20470941]

約数ペア:

[(1, 20470941), (3, 6823647), (9, 2274549), (17, 1204173), (27, 758183), (51, 401391), (103, 198747), (153, 133797), (309, 66249), (433, 47277), (459, 44599), (927, 22083), (1299, 15759), (1751, 11691), (2781, 7361), (3897, 5253)]