20298519

素因数分解:

$3^5\times {\mathrm{103}}^1\times {\mathrm{811}}^1$

素因数の和:929

約数の個数: 24

約数和(自身を含む): 30739072

約数和(自身を除く): 10440553

約数列:

[1, 3, 9, 27, 81, 103, 243, 309, 811, 927, 2433, 2781, 7299, 8343, 21897, 25029, 65691, 83533, 197073, 250599, 751797, 2255391, 6766173, 20298519]

約数ペア:

[(1, 20298519), (3, 6766173), (9, 2255391), (27, 751797), (81, 250599), (103, 197073), (243, 83533), (309, 65691), (811, 25029), (927, 21897), (2433, 8343), (2781, 7299)]