20228131

素因数分解:

$7^2\times {\mathrm{11}}^1\times {\mathrm{37529}}^1$

素因数の和:37554

約数の個数: 12

約数和(自身を含む): 25670520

約数和(自身を除く): 5442389

約数列:

[1, 7, 11, 49, 77, 539, 37529, 262703, 412819, 1838921, 2889733, 20228131]

約数ペア:

[(1, 20228131), (7, 2889733), (11, 1838921), (49, 412819), (77, 262703), (539, 37529)]