20132028987

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{691181}}^1$

素因数の和:691283

約数の個数: 32

約数和(自身を含む): 32734379520

約数和(自身を除く): 12602350533

約数列:

[1, 3, 7, 19, 21, 57, 73, 133, 219, 399, 511, 1387, 1533, 4161, 9709, 29127, 691181, 2073543, 4838267, 13132439, 14514801, 39397317, 50456213, 91927073, 151368639, 275781219, 353193491, 958668047, 1059580473, 2876004141, 6710676329, 20132028987]

約数ペア:

[(1, 20132028987), (3, 6710676329), (7, 2876004141), (19, 1059580473), (21, 958668047), (57, 353193491), (73, 275781219), (133, 151368639), (219, 91927073), (399, 50456213), (511, 39397317), (1387, 14514801), (1533, 13132439), (4161, 4838267), (9709, 2073543), (29127, 691181)]