20515235

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{547}}^1\times {\mathrm{577}}^1$

素因数の和:1142

約数の個数: 16

約数和(自身を含む): 26606496

約数和(自身を除く): 6091261

約数列:

[1, 5, 13, 65, 547, 577, 2735, 2885, 7111, 7501, 35555, 37505, 315619, 1578095, 4103047, 20515235]

約数ペア:

[(1, 20515235), (5, 4103047), (13, 1578095), (65, 315619), (547, 37505), (577, 35555), (2735, 7501), (2885, 7111)]