20343470

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{290621}}^1$

素因数の和:290635

約数の個数: 16

約数和(自身を含む): 41849568

約数和(自身を除く): 21506098

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 290621, 581242, 1453105, 2034347, 2906210, 4068694, 10171735, 20343470]

約数ペア:

[(1, 20343470), (2, 10171735), (5, 4068694), (7, 2906210), (10, 2034347), (14, 1453105), (35, 581242), (70, 290621)]