20147870

素因数分解:

$2^1\times 5^1\times {\mathrm{97}}^1\times {\mathrm{20771}}^1$

素因数の和:20875

約数の個数: 16

約数和(自身を含む): 36641808

約数和(自身を除く): 16493938

約数列:

[1, 2, 5, 10, 97, 194, 485, 970, 20771, 41542, 103855, 207710, 2014787, 4029574, 10073935, 20147870]

約数ペア:

[(1, 20147870), (2, 10073935), (5, 4029574), (10, 2014787), (97, 207710), (194, 103855), (485, 41542), (970, 20771)]