20840062

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{89}}^1\times {\mathrm{97}}^1$

素因数の和:276

約数の個数: 32

約数和(自身を含む): 34292160

約数和(自身を除く): 13452098

約数列:

[1, 2, 17, 34, 71, 89, 97, 142, 178, 194, 1207, 1513, 1649, 2414, 3026, 3298, 6319, 6887, 8633, 12638, 13774, 17266, 107423, 117079, 146761, 214846, 234158, 293522, 612943, 1225886, 10420031, 20840062]

約数ペア:

[(1, 20840062), (2, 10420031), (17, 1225886), (34, 612943), (71, 293522), (89, 234158), (97, 214846), (142, 146761), (178, 117079), (194, 107423), (1207, 17266), (1513, 13774), (1649, 12638), (2414, 8633), (3026, 6887), (3298, 6319)]