20690246

素因数分解:

$2^1\times {\mathrm{47}}^1\times {\mathrm{53}}^1\times {\mathrm{4153}}^1$

素因数の和:4255

約数の個数: 16

約数和(自身を含む): 32301504

約数和(自身を除く): 11611258

約数列:

[1, 2, 47, 53, 94, 106, 2491, 4153, 4982, 8306, 195191, 220109, 390382, 440218, 10345123, 20690246]

約数ペア:

[(1, 20690246), (2, 10345123), (47, 440218), (53, 390382), (94, 220109), (106, 195191), (2491, 8306), (4153, 4982)]