20143971

素因数分解:

$3^5\times {\mathrm{19}}^1\times {\mathrm{4363}}^1$

素因数の和:4397

約数の個数: 24

約数和(自身を含む): 31769920

約数和(自身を除く): 11625949

約数列:

[1, 3, 9, 19, 27, 57, 81, 171, 243, 513, 1539, 4363, 4617, 13089, 39267, 82897, 117801, 248691, 353403, 746073, 1060209, 2238219, 6714657, 20143971]

約数ペア:

[(1, 20143971), (3, 6714657), (9, 2238219), (19, 1060209), (27, 746073), (57, 353403), (81, 248691), (171, 117801), (243, 82897), (513, 39267), (1539, 13089), (4363, 4617)]