20039247

素因数分解:

$3^2\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{977}}^1$

素因数の和:1079

約数の個数: 24

約数和(自身を含む): 30208464

約数和(自身を除く): 10169217

約数列:

[1, 3, 9, 43, 53, 129, 159, 387, 477, 977, 2279, 2931, 6837, 8793, 20511, 42011, 51781, 126033, 155343, 378099, 466029, 2226583, 6679749, 20039247]

約数ペア:

[(1, 20039247), (3, 6679749), (9, 2226583), (43, 466029), (53, 378099), (129, 155343), (159, 126033), (387, 51781), (477, 42011), (977, 20511), (2279, 8793), (2931, 6837)]