20156138

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{6917}}^1$

素因数の和:6997

約数の個数: 16

約数和(自身を含む): 31878144

約数和(自身を除く): 11722006

約数列:

[1, 2, 31, 47, 62, 94, 1457, 2914, 6917, 13834, 214427, 325099, 428854, 650198, 10078069, 20156138]

約数ペア:

[(1, 20156138), (2, 10078069), (31, 650198), (47, 428854), (62, 325099), (94, 214427), (1457, 13834), (2914, 6917)]