20492615

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{28661}}^1$

素因数の和:28690

約数の個数: 16

約数和(自身を含む): 28891296

約数和(自身を除く): 8398681

約数列:

[1, 5, 11, 13, 55, 65, 143, 715, 28661, 143305, 315271, 372593, 1576355, 1862965, 4098523, 20492615]

約数ペア:

[(1, 20492615), (5, 4098523), (11, 1862965), (13, 1576355), (55, 372593), (65, 315271), (143, 143305), (715, 28661)]