20275839

素因数分解:

$3^4\times {\mathrm{53}}^1\times {\mathrm{4723}}^1$

素因数の和:4788

約数の個数: 20

約数和(自身を含む): 30866616

約数和(自身を除く): 10590777

約数列:

[1, 3, 9, 27, 53, 81, 159, 477, 1431, 4293, 4723, 14169, 42507, 127521, 250319, 382563, 750957, 2252871, 6758613, 20275839]

約数ペア:

[(1, 20275839), (3, 6758613), (9, 2252871), (27, 750957), (53, 382563), (81, 250319), (159, 127521), (477, 42507), (1431, 14169), (4293, 4723)]