20279938

素因数分解:

$2^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{23747}}^1$

素因数の和:23817

約数の個数: 16

約数和(自身を含む): 35337024

約数和(自身を除く): 15057086

約数列:

[1, 2, 7, 14, 61, 122, 427, 854, 23747, 47494, 166229, 332458, 1448567, 2897134, 10139969, 20279938]

約数ペア:

[(1, 20279938), (2, 10139969), (7, 2897134), (14, 1448567), (61, 332458), (122, 166229), (427, 47494), (854, 23747)]