20727898

素因数分解:

$2^1\times {\mathrm{19}}^3\times {\mathrm{1511}}^1$

素因数の和:1570

約数の個数: 16

約数和(自身を含む): 32840640

約数和(自身を除く): 12112742

約数列:

[1, 2, 19, 38, 361, 722, 1511, 3022, 6859, 13718, 28709, 57418, 545471, 1090942, 10363949, 20727898]

約数ペア:

[(1, 20727898), (2, 10363949), (19, 1090942), (38, 545471), (361, 57418), (722, 28709), (1511, 13718), (3022, 6859)]