20869137

素因数分解:

$3^3\times {\mathrm{61}}^1\times {\mathrm{12671}}^1$

素因数の和:12741

約数の個数: 16

約数和(自身を含む): 31426560

約数和(自身を除く): 10557423

約数列:

[1, 3, 9, 27, 61, 183, 549, 1647, 12671, 38013, 114039, 342117, 772931, 2318793, 6956379, 20869137]

約数ペア:

[(1, 20869137), (3, 6956379), (9, 2318793), (27, 772931), (61, 342117), (183, 114039), (549, 38013), (1647, 12671)]