20416270

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{291661}}^1$

素因数の和:291675

約数の個数: 16

約数和(自身を含む): 41999328

約数和(自身を除く): 21583058

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 291661, 583322, 1458305, 2041627, 2916610, 4083254, 10208135, 20416270]

約数ペア:

[(1, 20416270), (2, 10208135), (5, 4083254), (7, 2916610), (10, 2041627), (14, 1458305), (35, 583322), (70, 291661)]