20153984787

素因数分解:

$3^5\times {\mathrm{109}}^1\times {\mathrm{760901}}^1$

素因数の和:761025

約数の個数: 24

約数和(自身を含む): 30466516080

約数和(自身を除く): 10312531293

約数列:

[1, 3, 9, 27, 81, 109, 243, 327, 981, 2943, 8829, 26487, 760901, 2282703, 6848109, 20544327, 61632981, 82938209, 184898943, 248814627, 746443881, 2239331643, 6717994929, 20153984787]

約数ペア:

[(1, 20153984787), (3, 6717994929), (9, 2239331643), (27, 746443881), (81, 248814627), (109, 184898943), (243, 82938209), (327, 61632981), (981, 20544327), (2943, 6848109), (8829, 2282703), (26487, 760901)]