20890481762

素因数分解:

$2^1\times {\mathrm{79}}^1\times {\mathrm{7043}}^1\times {\mathrm{18773}}^1$

素因数の和:25897

約数の個数: 16

約数和(自身を含む): 31738573440

約数和(自身を除く): 10848091678

約数列:

[1, 2, 79, 158, 7043, 14086, 18773, 37546, 556397, 1112794, 1483067, 2966134, 132218239, 264436478, 10445240881, 20890481762]

約数ペア:

[(1, 20890481762), (2, 10445240881), (79, 264436478), (158, 132218239), (7043, 2966134), (14086, 1483067), (18773, 1112794), (37546, 556397)]