20956796

素因数分解:

$2^2\times 7^1\times {\mathrm{67}}^1\times {\mathrm{11171}}^1$

素因数の和:11249

約数の個数: 24

約数和(自身を含む): 42542976

約数和(自身を除く): 21586180

約数列:

[1, 2, 4, 7, 14, 28, 67, 134, 268, 469, 938, 1876, 11171, 22342, 44684, 78197, 156394, 312788, 748457, 1496914, 2993828, 5239199, 10478398, 20956796]

約数ペア:

[(1, 20956796), (2, 10478398), (4, 5239199), (7, 2993828), (14, 1496914), (28, 748457), (67, 312788), (134, 156394), (268, 78197), (469, 44684), (938, 22342), (1876, 11171)]