20690796

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{246319}}^1$

素因数の和:246333

約数の個数: 24

約数和(自身を含む): 55175680

約数和(自身を除く): 34484884

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 246319, 492638, 738957, 985276, 1477914, 1724233, 2955828, 3448466, 5172699, 6896932, 10345398, 20690796]

約数ペア:

[(1, 20690796), (2, 10345398), (3, 6896932), (4, 5172699), (6, 3448466), (7, 2955828), (12, 1724233), (14, 1477914), (21, 985276), (28, 738957), (42, 492638), (84, 246319)]