20915199

素因数分解:

$3^3\times {\mathrm{433}}^1\times {\mathrm{1789}}^1$

素因数の和:2231

約数の個数: 16

約数和(自身を含む): 31074400

約数和(自身を除く): 10159201

約数列:

[1, 3, 9, 27, 433, 1299, 1789, 3897, 5367, 11691, 16101, 48303, 774637, 2323911, 6971733, 20915199]

約数ペア:

[(1, 20915199), (3, 6971733), (9, 2323911), (27, 774637), (433, 48303), (1299, 16101), (1789, 11691), (3897, 5367)]