20907903

素因数分解:

$3^1\times {\mathrm{47}}^1\times {\mathrm{79}}^1\times {\mathrm{1877}}^1$

素因数の和:2006

約数の個数: 16

約数和(自身を含む): 28846080

約数和(自身を除く): 7938177

約数列:

[1, 3, 47, 79, 141, 237, 1877, 3713, 5631, 11139, 88219, 148283, 264657, 444849, 6969301, 20907903]

約数ペア:

[(1, 20907903), (3, 6969301), (47, 444849), (79, 264657), (141, 148283), (237, 88219), (1877, 11139), (3713, 5631)]