20715706

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{101}}^1\times {\mathrm{9323}}^1$

素因数の和:9437

約数の個数: 16

約数和(自身を含む): 34237728

約数和(自身を除く): 13522022

約数列:

[1, 2, 11, 22, 101, 202, 1111, 2222, 9323, 18646, 102553, 205106, 941623, 1883246, 10357853, 20715706]

約数ペア:

[(1, 20715706), (2, 10357853), (11, 1883246), (22, 941623), (101, 205106), (202, 102553), (1111, 18646), (2222, 9323)]