20682699

素因数分解:

$3^1\times {\mathrm{43}}^1\times {\mathrm{67}}^1\times {\mathrm{2393}}^1$

素因数の和:2506

約数の個数: 16

約数和(自身を含む): 28651392

約数和(自身を除く): 7968693

約数列:

[1, 3, 43, 67, 129, 201, 2393, 2881, 7179, 8643, 102899, 160331, 308697, 480993, 6894233, 20682699]

約数ペア:

[(1, 20682699), (3, 6894233), (43, 480993), (67, 308697), (129, 160331), (201, 102899), (2393, 8643), (2881, 7179)]