20426967

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{8971}}^1$

素因数の和:9011

約数の個数: 24

約数和(自身を含む): 33591168

約数和(自身を除く): 13164201

約数列:

[1, 3, 9, 11, 23, 33, 69, 99, 207, 253, 759, 2277, 8971, 26913, 80739, 98681, 206333, 296043, 618999, 888129, 1856997, 2269663, 6808989, 20426967]

約数ペア:

[(1, 20426967), (3, 6808989), (9, 2269663), (11, 1856997), (23, 888129), (33, 618999), (69, 296043), (99, 206333), (207, 98681), (253, 80739), (759, 26913), (2277, 8971)]