20185594569

素因数分解:

$3^2\times 7^1\times {\mathrm{109}}^1\times {\mathrm{883}}^1\times {\mathrm{3329}}^1$

素因数の和:4334

約数の個数: 48

約数和(自身を含む): 33676156800

約数和(自身を除く): 13490562231

約数列:

[1, 3, 7, 9, 21, 63, 109, 327, 763, 883, 981, 2289, 2649, 3329, 6181, 6867, 7947, 9987, 18543, 23303, 29961, 55629, 69909, 96247, 209727, 288741, 362861, 673729, 866223, 1088583, 2021187, 2540027, 2939507, 3265749, 6063561, 7620081, 8818521, 20576549, 22860243, 26455563, 61729647, 185188941, 320406263, 961218789, 2242843841, 2883656367, 6728531523, 20185594569]

約数ペア:

[(1, 20185594569), (3, 6728531523), (7, 2883656367), (9, 2242843841), (21, 961218789), (63, 320406263), (109, 185188941), (327, 61729647), (763, 26455563), (883, 22860243), (981, 20576549), (2289, 8818521), (2649, 7620081), (3329, 6063561), (6181, 3265749), (6867, 2939507), (7947, 2540027), (9987, 2021187), (18543, 1088583), (23303, 866223), (29961, 673729), (55629, 362861), (69909, 288741), (96247, 209727)]