20667794

素因数分解:

$2^1\times 7^1\times {\mathrm{157}}^1\times {\mathrm{9403}}^1$

素因数の和:9569

約数の個数: 16

約数和(自身を含む): 35659968

約数和(自身を除く): 14992174

約数列:

[1, 2, 7, 14, 157, 314, 1099, 2198, 9403, 18806, 65821, 131642, 1476271, 2952542, 10333897, 20667794]

約数ペア:

[(1, 20667794), (2, 10333897), (7, 2952542), (14, 1476271), (157, 131642), (314, 65821), (1099, 18806), (2198, 9403)]