20298649

素因数分解:

$7^1\times {\mathrm{41}}^1\times {\mathrm{107}}^1\times {\mathrm{661}}^1$

素因数の和:816

約数の個数: 16

約数和(自身を含む): 24022656

約数和(自身を除く): 3724007

約数列:

[1, 7, 41, 107, 287, 661, 749, 4387, 4627, 27101, 30709, 70727, 189707, 495089, 2899807, 20298649]

約数ペア:

[(1, 20298649), (7, 2899807), (41, 495089), (107, 189707), (287, 70727), (661, 30709), (749, 27101), (4387, 4627)]