20213077829

素因数分解:

$7^1\times {\mathrm{109}}^1\times {\mathrm{1307}}^1\times {\mathrm{20269}}^1$

素因数の和:21692

約数の個数: 16

約数和(自身を含む): 23331580800

約数和(自身を除く): 3118502971

約数列:

[1, 7, 109, 763, 1307, 9149, 20269, 141883, 142463, 997241, 2209321, 15465247, 26491583, 185441081, 2887582547, 20213077829]

約数ペア:

[(1, 20213077829), (7, 2887582547), (109, 185441081), (763, 26491583), (1307, 15465247), (9149, 2209321), (20269, 997241), (141883, 142463)]