20864949

素因数分解:

$3^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{34261}}^1$

素因数の和:34300

約数の個数: 16

約数和(自身を含む): 32891520

約数和(自身を除く): 12026571

約数列:

[1, 3, 7, 21, 29, 87, 203, 609, 34261, 102783, 239827, 719481, 993569, 2980707, 6954983, 20864949]

約数ペア:

[(1, 20864949), (3, 6954983), (7, 2980707), (21, 993569), (29, 719481), (87, 239827), (203, 102783), (609, 34261)]