20712983

素因数分解:

${\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{67}}^1\times {\mathrm{307}}^1$

素因数の和:446

約数の個数: 16

約数和(自身を含む): 22619520

約数和(自身を除く): 1906537

約数列:

[1, 19, 53, 67, 307, 1007, 1273, 3551, 5833, 16271, 20569, 67469, 309149, 390811, 1090157, 20712983]

約数ペア:

[(1, 20712983), (19, 1090157), (53, 390811), (67, 309149), (307, 67469), (1007, 20569), (1273, 16271), (3551, 5833)]