20853826

素因数分解:

$2^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{24419}}^1$

素因数の和:24489

約数の個数: 16

約数和(自身を含む): 36336960

約数和(自身を除く): 15483134

約数列:

[1, 2, 7, 14, 61, 122, 427, 854, 24419, 48838, 170933, 341866, 1489559, 2979118, 10426913, 20853826]

約数ペア:

[(1, 20853826), (2, 10426913), (7, 2979118), (14, 1489559), (61, 341866), (122, 170933), (427, 48838), (854, 24419)]