20805040005

素因数分解:

$3^1\times 5^1\times {\mathrm{5573}}^1\times {\mathrm{248879}}^1$

素因数の和:254460

約数の個数: 16

約数和(自身を含む): 33294170880

約数和(自身を除く): 12489130875

約数列:

[1, 3, 5, 15, 5573, 16719, 27865, 83595, 248879, 746637, 1244395, 3733185, 1387002667, 4161008001, 6935013335, 20805040005]

約数ペア:

[(1, 20805040005), (3, 6935013335), (5, 4161008001), (15, 1387002667), (5573, 3733185), (16719, 1244395), (27865, 746637), (83595, 248879)]