27420820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{195863}}^1$

素因数の和:195879

約数の個数: 24

約数和(自身を含む): 65810304

約数和(自身を除く): 38389484

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 195863, 391726, 783452, 979315, 1371041, 1958630, 2742082, 3917260, 5484164, 6855205, 13710410, 27420820]

約数ペア:

[(1, 27420820), (2, 13710410), (4, 6855205), (5, 5484164), (7, 3917260), (10, 2742082), (14, 1958630), (20, 1371041), (28, 979315), (35, 783452), (70, 391726), (140, 195863)]