20458193

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{193}}^1\times {\mathrm{797}}^1$

素因数の和:1016

約数の個数: 16

約数和(自身を含む): 24769920

約数和(自身を除く): 4311727

約数列:

[1, 7, 19, 133, 193, 797, 1351, 3667, 5579, 15143, 25669, 106001, 153821, 1076747, 2922599, 20458193]

約数ペア:

[(1, 20458193), (7, 2922599), (19, 1076747), (133, 153821), (193, 106001), (797, 25669), (1351, 15143), (3667, 5579)]