20793888003

素因数分解:

$3^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{21067769}}^1$

素因数の和:21067826

約数の個数: 16

約数和(自身を含む): 32360094720

約数和(自身を除く): 11566206717

約数列:

[1, 3, 7, 21, 47, 141, 329, 987, 21067769, 63203307, 147474383, 442423149, 990185143, 2970555429, 6931296001, 20793888003]

約数ペア:

[(1, 20793888003), (3, 6931296001), (7, 2970555429), (21, 990185143), (47, 442423149), (141, 147474383), (329, 63203307), (987, 21067769)]