20020726

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{139}}^1\times {\mathrm{6547}}^1$

素因数の和:6699

約数の個数: 16

約数和(自身を含む): 33001920

約数和(自身を除く): 12981194

約数列:

[1, 2, 11, 22, 139, 278, 1529, 3058, 6547, 13094, 72017, 144034, 910033, 1820066, 10010363, 20020726]

約数ペア:

[(1, 20020726), (2, 10010363), (11, 1820066), (22, 910033), (139, 144034), (278, 72017), (1529, 13094), (3058, 6547)]