20173950747

素因数分解:

$3^3\times {\mathrm{163}}^1\times {\mathrm{643}}^1\times {\mathrm{7129}}^1$

素因数の和:7944

約数の個数: 32

約数和(自身を含む): 30121683200

約数和(自身を除く): 9947732453

約数列:

[1, 3, 9, 27, 163, 489, 643, 1467, 1929, 4401, 5787, 7129, 17361, 21387, 64161, 104809, 192483, 314427, 943281, 1162027, 2829843, 3486081, 4583947, 10458243, 13751841, 31374729, 41255523, 123766569, 747183361, 2241550083, 6724650249, 20173950747]

約数ペア:

[(1, 20173950747), (3, 6724650249), (9, 2241550083), (27, 747183361), (163, 123766569), (489, 41255523), (643, 31374729), (1467, 13751841), (1929, 10458243), (4401, 4583947), (5787, 3486081), (7129, 2829843), (17361, 1162027), (21387, 943281), (64161, 314427), (104809, 192483)]