20685708

素因数分解:

$2^2\times 3^2\times {\mathrm{71}}^1\times {\mathrm{8093}}^1$

素因数の和:8174

約数の個数: 36

約数和(自身を含む): 53031888

約数和(自身を除く): 32346180

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 71, 142, 213, 284, 426, 639, 852, 1278, 2556, 8093, 16186, 24279, 32372, 48558, 72837, 97116, 145674, 291348, 574603, 1149206, 1723809, 2298412, 3447618, 5171427, 6895236, 10342854, 20685708]

約数ペア:

[(1, 20685708), (2, 10342854), (3, 6895236), (4, 5171427), (6, 3447618), (9, 2298412), (12, 1723809), (18, 1149206), (36, 574603), (71, 291348), (142, 145674), (213, 97116), (284, 72837), (426, 48558), (639, 32372), (852, 24279), (1278, 16186), (2556, 8093)]