20049271179

素因数分解:

$3^1\times 7^1\times {\mathrm{127}}^1\times {\mathrm{139}}^1\times {\mathrm{54083}}^1$

素因数の和:54359

約数の個数: 32

約数和(自身を含む): 31013928960

約数和(自身を除く): 10964657781

約数列:

[1, 3, 7, 21, 127, 139, 381, 417, 889, 973, 2667, 2919, 17653, 52959, 54083, 123571, 162249, 370713, 378581, 1135743, 6868541, 7517537, 20605623, 22552611, 48079787, 52622759, 144239361, 157868277, 954727199, 2864181597, 6683090393, 20049271179]

約数ペア:

[(1, 20049271179), (3, 6683090393), (7, 2864181597), (21, 954727199), (127, 157868277), (139, 144239361), (381, 52622759), (417, 48079787), (889, 22552611), (973, 20605623), (2667, 7517537), (2919, 6868541), (17653, 1135743), (52959, 378581), (54083, 370713), (123571, 162249)]