20018091

素因数分解:

$3^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{5351}}^1$

素因数の和:5426

約数の個数: 16

約数和(自身を含む): 28258560

約数和(自身を除く): 8240469

約数列:

[1, 3, 29, 43, 87, 129, 1247, 3741, 5351, 16053, 155179, 230093, 465537, 690279, 6672697, 20018091]

約数ペア:

[(1, 20018091), (3, 6672697), (29, 690279), (43, 465537), (87, 230093), (129, 155179), (1247, 16053), (3741, 5351)]