20217329

素因数分解:

${\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{107}}^1\times {\mathrm{193}}^1$

素因数の和:400

約数の個数: 16

約数和(自身を含む): 22628160

約数和(自身を除く): 2410831

約数列:

[1, 11, 89, 107, 193, 979, 1177, 2123, 9523, 17177, 20651, 104753, 188947, 227161, 1837939, 20217329]

約数ペア:

[(1, 20217329), (11, 1837939), (89, 227161), (107, 188947), (193, 104753), (979, 20651), (1177, 17177), (2123, 9523)]