20707173

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{3301}}^1$

素因数の和:3365

約数の個数: 24

約数和(自身を含む): 32452056

約数和(自身を除く): 11744883

約数列:

[1, 3, 9, 17, 41, 51, 123, 153, 369, 697, 2091, 3301, 6273, 9903, 29709, 56117, 135341, 168351, 406023, 505053, 1218069, 2300797, 6902391, 20707173]

約数ペア:

[(1, 20707173), (3, 6902391), (9, 2300797), (17, 1218069), (41, 505053), (51, 406023), (123, 168351), (153, 135341), (369, 56117), (697, 29709), (2091, 9903), (3301, 6273)]