20689914

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{492617}}^1$

素因数の和:492629

約数の個数: 16

約数和(自身を含む): 47291328

約数和(自身を除く): 26601414

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 492617, 985234, 1477851, 2955702, 3448319, 6896638, 10344957, 20689914]

約数ペア:

[(1, 20689914), (2, 10344957), (3, 6896638), (6, 3448319), (7, 2955702), (14, 1477851), (21, 985234), (42, 492617)]