20149286451819

素因数分解:

$3^1\times 7^1\times {\mathrm{2081}}^1\times {\mathrm{461071519}}^1$

素因数の和:461073610

約数の個数: 16

約数和(自身を含む): 30718428948480

約数和(自身を除く): 10569142496661

約数列:

[1, 3, 7, 21, 2081, 6243, 14567, 43701, 461071519, 1383214557, 3227500633, 9682501899, 959489831039, 2878469493117, 6716428817273, 20149286451819]

約数ペア:

[(1, 20149286451819), (3, 6716428817273), (7, 2878469493117), (21, 959489831039), (2081, 9682501899), (6243, 3227500633), (14567, 1383214557), (43701, 461071519)]