20197285

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{433}}^1\times {\mathrm{491}}^1$

素因数の和:948

約数の個数: 16

約数和(自身を含む): 25623360

約数和(自身を除く): 5426075

約数列:

[1, 5, 19, 95, 433, 491, 2165, 2455, 8227, 9329, 41135, 46645, 212603, 1063015, 4039457, 20197285]

約数ペア:

[(1, 20197285), (5, 4039457), (19, 1063015), (95, 212603), (433, 46645), (491, 41135), (2165, 9329), (2455, 8227)]