20944281

素因数分解:

$3^1\times {\mathrm{47}}^1\times {\mathrm{89}}^1\times {\mathrm{1669}}^1$

素因数の和:1808

約数の個数: 16

約数和(自身を含む): 28857600

約数和(自身を除く): 7913319

約数列:

[1, 3, 47, 89, 141, 267, 1669, 4183, 5007, 12549, 78443, 148541, 235329, 445623, 6981427, 20944281]

約数ペア:

[(1, 20944281), (3, 6981427), (47, 445623), (89, 235329), (141, 148541), (267, 78443), (1669, 12549), (4183, 5007)]