20899687041

素因数分解:

$3^3\times {\mathrm{1087}}^1\times {\mathrm{712109}}^1$

素因数の和:713205

約数の個数: 16

約数和(自身を含む): 30991027200

約数和(自身を除く): 10091340159

約数列:

[1, 3, 9, 27, 1087, 3261, 9783, 29349, 712109, 2136327, 6408981, 19226943, 774062483, 2322187449, 6966562347, 20899687041]

約数ペア:

[(1, 20899687041), (3, 6966562347), (9, 2322187449), (27, 774062483), (1087, 19226943), (3261, 6408981), (9783, 2136327), (29349, 712109)]