20565584181

素因数分解:

$3^4\times {\mathrm{631}}^1\times {\mathrm{402371}}^1$

素因数の和:403014

約数の個数: 20

約数和(自身を含む): 30770191584

約数和(自身を除く): 10204607403

約数列:

[1, 3, 9, 27, 81, 631, 1893, 5679, 17037, 51111, 402371, 1207113, 3621339, 10864017, 32592051, 253896101, 761688303, 2285064909, 6855194727, 20565584181]

約数ペア:

[(1, 20565584181), (3, 6855194727), (9, 2285064909), (27, 761688303), (81, 253896101), (631, 32592051), (1893, 10864017), (5679, 3621339), (17037, 1207113), (51111, 402371)]