20213365563

素因数分解:

$3^4\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{121909}}^1$

素因数の和:122033

約数の個数: 40

約数和(自身を含む): 31862397600

約数和(自身を除く): 11649032037

約数列:

[1, 3, 9, 23, 27, 69, 81, 89, 207, 267, 621, 801, 1863, 2047, 2403, 6141, 7209, 18423, 55269, 121909, 165807, 365727, 1097181, 2803907, 3291543, 8411721, 9874629, 10849901, 25235163, 32549703, 75705489, 97649109, 227116467, 249547723, 292947327, 748643169, 878841981, 2245929507, 6737788521, 20213365563]

約数ペア:

[(1, 20213365563), (3, 6737788521), (9, 2245929507), (23, 878841981), (27, 748643169), (69, 292947327), (81, 249547723), (89, 227116467), (207, 97649109), (267, 75705489), (621, 32549703), (801, 25235163), (1863, 10849901), (2047, 9874629), (2403, 8411721), (6141, 3291543), (7209, 2803907), (18423, 1097181), (55269, 365727), (121909, 165807)]