20189917243

素因数分解:

${\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{157}}^1\times {\mathrm{191}}^1\times {\mathrm{587}}^1$

素因数の和:1003

約数の個数: 32

約数和(自身を含む): 21690482688

約数和(自身を除く): 1500565445

約数列:

[1, 31, 37, 157, 191, 587, 1147, 4867, 5809, 5921, 7067, 18197, 21719, 29987, 92159, 112117, 180079, 219077, 673289, 929597, 1109519, 2856929, 3409883, 3475627, 4148329, 17602369, 34395089, 105706373, 128598199, 545673439, 651287653, 20189917243]

約数ペア:

[(1, 20189917243), (31, 651287653), (37, 545673439), (157, 128598199), (191, 105706373), (587, 34395089), (1147, 17602369), (4867, 4148329), (5809, 3475627), (5921, 3409883), (7067, 2856929), (18197, 1109519), (21719, 929597), (29987, 673289), (92159, 219077), (112117, 180079)]