20304305

素因数分解:

$5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{15679}}^1$

素因数の和:15728

約数の個数: 16

約数和(自身を含む): 28600320

約数和(自身を除く): 8296015

約数列:

[1, 5, 7, 35, 37, 185, 259, 1295, 15679, 78395, 109753, 548765, 580123, 2900615, 4060861, 20304305]

約数ペア:

[(1, 20304305), (5, 4060861), (7, 2900615), (35, 580123), (37, 548765), (185, 109753), (259, 78395), (1295, 15679)]