20007455

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{317}}^1\times {\mathrm{971}}^1$

素因数の和:1306

約数の個数: 16

約数和(自身を含む): 25964064

約数和(自身を除く): 5956609

約数列:

[1, 5, 13, 65, 317, 971, 1585, 4121, 4855, 12623, 20605, 63115, 307807, 1539035, 4001491, 20007455]

約数ペア:

[(1, 20007455), (5, 4001491), (13, 1539035), (65, 307807), (317, 63115), (971, 20605), (1585, 12623), (4121, 4855)]