20147638

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{75743}}^1$

素因数の和:75771

約数の個数: 16

約数和(自身を含む): 36357120

約数和(自身を除く): 16209482

約数列:

[1, 2, 7, 14, 19, 38, 133, 266, 75743, 151486, 530201, 1060402, 1439117, 2878234, 10073819, 20147638]

約数ペア:

[(1, 20147638), (2, 10073819), (7, 2878234), (14, 1439117), (19, 1060402), (38, 530201), (133, 151486), (266, 75743)]