20429469

素因数分解:

$3^3\times {\mathrm{71}}^1\times {\mathrm{10657}}^1$

素因数の和:10737

約数の個数: 16

約数和(自身を含む): 30695040

約数和(自身を除く): 10265571

約数列:

[1, 3, 9, 27, 71, 213, 639, 1917, 10657, 31971, 95913, 287739, 756647, 2269941, 6809823, 20429469]

約数ペア:

[(1, 20429469), (3, 6809823), (9, 2269941), (27, 756647), (71, 287739), (213, 95913), (639, 31971), (1917, 10657)]