20189763

素因数分解:

$3^3\times {\mathrm{11}}^1\times {\mathrm{67979}}^1$

素因数の和:67999

約数の個数: 16

約数和(自身を含む): 32630400

約数和(自身を除く): 12440637

約数列:

[1, 3, 9, 11, 27, 33, 99, 297, 67979, 203937, 611811, 747769, 1835433, 2243307, 6729921, 20189763]

約数ペア:

[(1, 20189763), (3, 6729921), (9, 2243307), (11, 1835433), (27, 747769), (33, 611811), (99, 203937), (297, 67979)]