20655430

素因数分解:

$2^1\times 5^1\times {\mathrm{67}}^1\times {\mathrm{30829}}^1$

素因数の和:30903

約数の個数: 16

約数和(自身を含む): 37735920

約数和(自身を除く): 17080490

約数列:

[1, 2, 5, 10, 67, 134, 335, 670, 30829, 61658, 154145, 308290, 2065543, 4131086, 10327715, 20655430]

約数ペア:

[(1, 20655430), (2, 10327715), (5, 4131086), (10, 2065543), (67, 308290), (134, 154145), (335, 61658), (670, 30829)]