20934284

素因数分解:

$2^2\times 7^1\times {\mathrm{67}}^1\times {\mathrm{11159}}^1$

素因数の和:11237

約数の個数: 24

約数和(自身を含む): 42497280

約数和(自身を除く): 21562996

約数列:

[1, 2, 4, 7, 14, 28, 67, 134, 268, 469, 938, 1876, 11159, 22318, 44636, 78113, 156226, 312452, 747653, 1495306, 2990612, 5233571, 10467142, 20934284]

約数ペア:

[(1, 20934284), (2, 10467142), (4, 5233571), (7, 2990612), (14, 1495306), (28, 747653), (67, 312452), (134, 156226), (268, 78113), (469, 44636), (938, 22318), (1876, 11159)]